David's Astronomy Pages CCD Images - Session 947 (2022-01-01)

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Session Notes

Nova Cas 2021 - Nova (V1405 Cas) AT 2021afpi - Transient Star C/2019 L3 (ATLAS) - Comet Nova Per 2020 - Nova (V1112 Per, AT 2020abap) NGC 1569 - Irregular Galaxy NGC 1569 - Irregular Galaxy with Type HPM Transient AT 2021aczn 67P/Churyumov-Gerasimenko - Comet AT 2021acba - YSO? Transient (Young Stellar Object) PKS0735+17 - Galaxy with Blazer Transient AT 2021agfn UGCA 240 - Spiral Galaxy (PGC 35813) AT 2021bnz - Type CV? Transient (attempted observation) UGC 5829 - Irregular Galaxy (Spider Galaxy) NGC 7446 - Elliptical Galaxy with Type Ia Supernova 2021agdd AT 2021hfr - Ulens? Transient UGC 1098 - Spiral Galaxy with AGN Transient AT 2021ahep AT 2021agjs - Ulens? Transient NGC 2761 - Spiral Galaxy with Type Ia Supernova 2021aggu UGC 1971 - Galaxy with Type II Supernova 2021afkk Hickson 39 - Galaxy Group (UGC 5057) UGCA 173 - Spiral Galaxies (PGC 27817 & PGC 27828) PGC 27825 - Spiral Galaxy CSS100406:102834-023660 - BL Type Transient (AT 2021agmc) NGC 3310 - Spiral Galaxy  (Herschel IV-60, ARP 217)   UGCA 276 - Irregular Galaxy (PGC 39145) UGC 8426 - Spiral Galaxy with Transient AT 2021knq NGC 4165 - Spiral Galaxy with Type II Supernova 2021gno NGC 4168 - Elliptical Galaxy IC 3322A - Spiral Galaxy with Type Ia Supernova 2021hiz MCG +6-30-84 - Galaxy (PGC 48870) with Type Ia Supernova 2021K UGC 8975 - Spiral Galaxy with Type Ia Supernova 2021adpe      Variable Stars (photometric monitoring) - SY Cnc, R CrB, SS Cyg, BL Lac, RR Tau      Nearby Stars (astrometric monitoring) - HH And, Scholz's Star,

- Full night session 13.8 hours -   - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature:6°C (min) - CCD Temperature:  -15°/-20°C - Notes from 2022-01-01 >>    [ Local Files >> ]

Nova Cas 2021 - Nova (V1405 Cas)

Nova Cas 2021 (Cassiopeia) Nova in Cassiopeia discovered 2021-03-18.4236,  by Yuji Nakamura (Japan) Magnitude at discovery +9.6 (unfiltered CCD) AT 2021hkn (Type: Nova) reported by 2021/03/30.055 UT by Gaia Alias: Gaia21bpe, AT 2021hkn, V1405 Cas

Nova Cas 2021 / AT 2021hkn - 2022-01-01 (T+289.3d) Image below (2022-01-01.727) was taken 289.3 days after discovery of Nova Nova is shown by white cross hairs.  Measured magnitude +9.18 (linked with Detection Threshold = 50

Annotated CCD Image (100% size, linear scale, cropped) 4 x 30s exposure (average combine), 3x3 binning, C Filter 2022-01-01 17:28 UT (#947003-07) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Nova Cas 2021 (V1405 Cas) Spectra - 2022-01-01 (T+289.3d)

Spectra produced in AstroMain using Image taken with Star Analyser 200 5 x 30s exposure (average combine), 2x2 binning, S Filter 2022-01-01 17:32 UT (#947008-12) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of Nova Cas 2021 on Novae Page >>

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AT 2021afpi - Transient Star

AT 2021afpi (Aries) AT 2021afpi (Type: Nova) discovered 2021-11-26.826 UT by MASTER Alias: MASTER OT J030227.28+191754.5, IceCube-211125A, PNV J03022732+1917552  ( Rochester Supernova site )

AT 2021afpi (T+35.9d) Reported transient is shown by white cross-hairs

Annotated CCD Image  (50% size, linear scale) 2 x 60s exposure (average combine), 3x3 binning, C Filter 2022-01-01 17:45 UT (#947018-19) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

AT 2021afpi - 2022-01-01 (T+35.9d) Image below (2022-01-01.735) was taken 35.9 days after discovery of 2021afpi Reported position of transient is shown by white cross-hairs Measured magnitude +14.67

Annotated CCD Image  (100% size, linear scale, cropped) 2 x 60s exposure (average combine), 3x3 binning, C Filter 2022-01-01 17:45 UT (#947018-19) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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C/2019 L3 (ATLAS) - Comet

C/2019 L3 (ATLAS) (passing through Gemini) Sun Distance 3.56 AU (approaching) Earth Distance 2.59 AU (386.8 million km)		C/2019 L3 (ATLAS)  - 2022-01-01, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -39.25 arcsec/hr, Dec -27.21 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2022-01-01 18:37 UT (#947032-34) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		CCD Image (100% size, log scale, cropped) Image details as left
Images of C/2019 L3 (ATLAS) on Comets 2021 Page >>

C/2019 L3 (ATLAS) Inverse Spectrum

C/2019 L3 (ATLAS)  - 2022-01-01

False Colour CCD Image (70% size, log scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2022-01-01 18:37 UT (#947032-34) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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Nova Per 2020 - Nova (V1112 Per, AT 2020abap)

Nova Per 2020 (Perseus) Nova in Perseus discovered 2020/11/25.807 [ Novae ] Nova Per 2020 discovered independently by Seiji Ueda and Stanislav Korotkiy et al AT 2020abap (Type: CV) reported 2020/11/27.230 UT by PGIR Alias: N Per 2020 , PGIR20fbf, TCP J04291888+4354233, TCP J04291884+4354232, V1112 Per

Nova Per 2020 - 2022-01-01 (T+402.0d) Image below (2022-01-01.811) was taken 402.0 days after discovery of nova Nova is shown by white cross hairs.  Measured magnitude +16.0 (fading)

Annotated CCD Image (100% size, linear scale, cropped) 2 x 90s exposure (average combine), 3x3 binning, C Filter 2022-01-01 19:32 UT (#947043-44) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of Nova Per 2020 on Novae Page >>

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NGC 1569 - Irregular Galaxy

NGC 1569 (Camelopardalis)   [ Irregular Galaxies ]

CCD Image (50% size, log scale) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-01 19:57 UT (#947050-53) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 1569 - Detail

CCD Image (125% size, log scale, cropped) Image details as above

Negative CCD Image (125% size, log scale, cropped) Image details as above

NGC 1569 - Earlier Image (2013)

CCD Image (125% size, log scale, cropped) 4 x 120 sec exposure (average combine), 3x3 binning, C Filter 2013-10-15 19:08hUT (#549026-31) 12" LX200R  (at f/9.7) + ST-10XME

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NGC 1569 - Irregular Galaxy with Type HPM Transient AT 2021aczn

NGC 1569 with AT 2021aczn (Camelopardalis) AT 2021aczn (Type: HPM) discovered 2021-11-01.000 UT by Jordi Camarasa Discovery magnitude 14   ( Rochester Supernova site | Odd Trondal image | TNS 2021aczn )  [ Irregular Galaxies ]

NGC 1569 with AT 2021aczn - 2022-01-01 (T+61.8d) Image below (2022-01-01.826) was taken 61.8 days after discovery of 2021aczn Position of reported transient (apparently visible) is shown by white cross-hairs

CCD Image (125% size, log scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-01 19:57 UT (#947050-53) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2021aczn (NGC 1569) on Transients 2021 Page >>

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67P/Churyumov-Gerasimenko - Comet

67P/Churyumov-Gerasimenko (passing through Cancer) Sun Distance 1.42 AU (receeding) Earth Distance 0.48 AU (72.3 million km)		67P/Churyumov-Gerasimenko - 2022-01-01, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -24.87 arcsec/hr, Dec 8.36 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2022-01-01 20:10 UT (#947056-58) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		Annotated CCD Image (100% size, log scale, cropped) 15 x 45s exposure (average combine), 3x3 binning, C Filter 2022-01-01 20:16 UT (#947056-70) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Images of 67P/Churyumov-Gerasimenko on Comets 2022 Page >>

67P/Churyumov-Gerasimenko - False Colour Image(s)  Inverse Spectrum

67P/Churyumov-Gerasimenko - 2022-01-01

False Colour CCD Image (70% size, log scale) 15 x 45s exposure (average combine), 3x3 binning, C Filter 2022-01-01 20:16 UT (#947056-70) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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AT 2021acba - YSO? Transient (Young Stellar Object)

AT 2021acba (Monoceros) AT 2021acba (Type: YSO?) discovered 2021-10-21.367 UT by Gaia Alias: Gaia21euy Alert triggered by decrease in brightness to +14.40 (vs. historic mag+13.62)  ( Rochester Supernova site | Gaia21euy

AT 2021acbi (T+35.9d) Reported transient object is shown by white cross-hairs

Annotated CCD Image  (50% size, linear scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-01 20:39 UT (#947073-77) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

AT 2021acba - 2022-01-01 (T+72.5d) Image below (2022-01-01.854) was taken 72.5 days after discovery of 2021acba Reported transient object is shown by white cross-hairs Measured magnitude +13.6

Annotated CCD Image  (100% size, linear scale, cropped) Image details as above

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PKS0735+17 - Galaxy with Blazer Transient AT 2021agfn

PKS0735+17 with AT 2021agfn (Gemini) AT 2021agfn (Type: Blazer) discovered 2021-12-12.159 UT by GSNST Alias: GSNST-21cx  ( Rochester Supernova site )

PKS0735+17 Object is shown by white cross-hairs

Annotated CCD Image  (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-01 20:39 UT (#947073-77) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

PKS0735+17 with AT 2021agfn - 2022-01-01 (T+20.7d) Image below (2022-01-01.869) was taken 20.7 days after discovery of 2021agfn Reported transient object is shown by white cross-hairs Measured magnitude +15.25

Annotated CCD Image  (100% size, square root scale, cropped) Image details as above

Images of AT 2021agfn (PKS0735+17) on Transients 2021 Page

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UGCA 240 - Spiral Galaxy (PGC 35813)

UGCA 240 (Ursa Major) Alias: PGC 35813 (catalog mag +17.9)  [ UGCA Galaxies ] Adjacent galaxies are:  PGC 2545621(catalog mag+17.2),  PGC 2549810 (mag +17.9) & PGC 2547753 (catalog mag +18.1) Bright star in FOV is HIP 56593 (mag +8.47)

Annotated CCD Image  (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-01 21:25 UT (#947088-92) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGCA 240 - Detail

Annotated CCD Image  (125% size, square root scale, cropped) Image details as above

Negative CCD Image (125% size, square root scale, cropped) Image details as above

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AT 2021bnz - Type CV? Transient (attempted observation)

AT 2021bnz (Cancer) AT 2021bnz (Type: CV?) discovered 2021/02/02.991 UT by MASTER Alias: MASTER OT J081544.50+205857.4 Position of earlier reported transient (not visible) is shown by white circle No evidence of any visible object at location in DSS2 Color Images (Aladin)

Annotated CCD Image  (100% size, linear scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-01 22:20 UT (#947126-29) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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UGC 5829 - Irregular Galaxy (Spider Galaxy)

UGC 5829 (Leo Minor)  [ Irregular Galaxies ]

Annotated CCD Image  (50% size, square root scale) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-01 22:41 UT (#947132-36) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 5829 - Detail

Annotated CCD Image  (100% size, square root scale, cropped) Image details as above

UGC 5829 - 2022-01-01 (T+334.5d) Image below (2022-01-01.938) was taken 334.5 days after discovery of 2021blu Position of earlier LBV (no longer visible) is indicated by white cross-hairs.

Annotated CCD Image  (100% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-01 22:41 UT (#947132-36) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 5829 with LBV 2021blu - Earlier Image 2021-02-11 (T+9.7d) AT 2021blu (Type: LBV) discovered 2021/02/01.467 UT by ATLAS Alias: ATLAS21dic, ZTF21aagppzg Image below (2021-02-11.120) was taken 9.7 days after discovery of 2021blu LBV is indicated by white cross-hairs. Measured magnitude +16.4

Annotated CCD Image  (100% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-02-11 03:03 UT (#858205-09) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of LBV 2021blu  (UGC 5829) on Transients 2021 Page >>

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NGC 7446 - Elliptical Galaxy with Type Ia Supernova 2021agdd

NGC 7446 with SN 2021agdd (Andromeda) SN 2021agdd (Type: Ia) discovered 2021-12-07.152 UT by DLT40 Alias: DLT21ag  ( Rochester Supernova site | Discovery Image  )

NGC 7446 with SN 2021agdd - 2022-01-01 (T+25.8d) Image below (2022-01-01.955) was taken 25.8 days after discovery of 2021agdd SN is shown by white cross hairs.  Measured Magnitude ?? (unable to isolate centroid in CCDSoft)

Annotated CCD Image  (125% size, square root scale, cropped) 180s exposure (single frame), 3x3 binning, C Filter 2022-01-01 23:01 UT (#947141) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2021agdd (NGC 7446) on Supernovae 2021 Page >>

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AT 2021hfr - Ulens? Transient

AT 2021hfr (Cassiopeia) AT 2021hfr (Type: ulens?) discovered 2021/03/26.294 UT by Gaia Alias: Gaia21bnu Alert triggered at +15.61 (vs historic mag +15.82) ~0.2 mag rise in Gaia galactic plane source -- candidate microlensing event.  ( Rochester Supernova site | Gaia21bnu  )

AT 2021hfr - 2022-01-02 (T+281.7d) Image below (2022-01-02.006) was taken 281.7 days after discovery of 2021hfr Transient Object is shown by white cross hairs.  Measured Magnitude +15.3 Linking using detection threshold 80

Annotated CCD Image  (70% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-02 00:18 UT (#947167-71) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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UGC 1098 - Spiral Galaxy with AGN Transient AT 2021ahep

UGC 1098 with AT 2021ahep (Pisces) AT 2021ahep (Type: AGN) discovered 2021-12-29.365 UT by Gaia Alias: Gaia21fva Gaia alert triggered at +18.15 mag  ( Rochester Supernova site | Gaia21fva )

UGC 1098

Annotated CCD Image  (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-02 00:40 UT (#947174-78) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 1098 with AT 2021ahep - 2022-01-02 (T+3.7d) Image below (2022-01-02.022) was taken 3.7 days after discovery of 2021ahep

CCD Image  (125% size, square root scale, cropped) Image details as above

Images of AT 2021ahep on Transients 2021 Page >>

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AT 2021agjs - Ulens? Transient

AT 2021agjs (Puppis) AT 2021agjs (Type: ulens?) discovered 2021-12-16.612 UT by Gaia Alias: Gaia21fpg, GSC 5404:2476 Alert triggered at +10.55 (vs historic mag +10.82) bright gal.plane source candidate microlensing event or Be-type outburst rises by 0.3 mag  ( Rochester Supernova site | Gaia21fpg  )

AT 2021agjs / GSC 5404:2476  (T+16.4d)

Annotated CCD Image  (70% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-02 01:03 UT (#947181-85) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

AT 2021agjs / GSC 5404:2476 - 2022-01-02 (T+16.4d) Image below (2022-01-02.037) was taken 16.4 days after discovery of 2021agjs Transient Object is shown by white cross hairs.  Measured Magnitude +11.53

Annotated CCD Image  (100% size, linear scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-02 01:03 UT (#947181-85) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2021agjs on Transients 2021 Page >>

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NGC 2761 - Spiral Galaxy with Type Ia Supernova 2021aggu

NGC 2761 with SN 2021aggu (Cancer) SN 2021aggu (Type: Ia) discovered 2021-12-12.757 UT by ATLAS Alias: ATLAS21bnhv, Gaia21fnr  ( Rochester Supernova site | Gaia21dym ]

NGC 2761 with SN 2021aggu - 2022-01-02 (T+20.3d) Image below (2022-01-02.053) was taken 20.3 days after discovery of 2021aggu Position of reported SN (faint) is shown by white cross-hairs

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-02 01:26 UT (#947188-92) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2021aggu (NGC 2761) on Supernovae 2021 Page >>

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UGC 1971 - Galaxy with Type II Supernova 2021afkk

UGC 1971 with SN 2021afkk (Triangulum) SN 2021afkk (Type: II) discovered 2021-11-25.371 UT by ATLAS Alias: ATLAS21bmvp. Magnitude +18.2 at discovery.   Distance 196 Mly (60 Mpc)  (Rochester Supernova site | Enrico Prosperi image )

UGC 1971 with SN 2021afkk - 2022-01-02 (T+37.7d) Image below (2022-01-02.075) was taken 37.7 days after discovery of 2021afkk Supernova reported position is shown by white cross-hairs Measured magnitude +15.33 (SN + Galaxy Nucleus)  - fading

Annotated CCD Image  (125% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-02 01:55 UT (#947201-03) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2021afkk (UGC 1971) on Supernovae 2021 Page >>

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Hickson 39 - Galaxy Group (UGC 5057)

Hickson 39 (Hydra) [ Hickson Galaxy Groups ] Bright star to upper right is HIP 46504 (mag +6.27)

Annotated CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-02 02:39 UT (#947216-20) 12" LX200R  (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Hickson 39 - detail

Annotated CCD Image (150% size, square root scale, cropped) Image details as above

Negative CCD Image (150% size, square root scale, cropped) Image details as above

Hickson 39 - Earlier Image (Dec 2014) PGC 1120300 (catalog mag +17.1), PGC 26931 (catalog mag +17.4), PGC 26929 (catalog mag +17.1), PGC 26926 (catalog mag +17.1), PGC 26925 (catalog mag +17.7)

Annotated CCD Image (150% size, cropped) 4 x 90 sec exposure (average combine), 3x3 binning, C Filter 2014-12-03 04:38hUT (#573777-80) 12" LX200R  (at f/10.4) + ST-10XME

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UGCA 173 - Spiral Galaxies (PGC 27817 & PGC 27828)

UGCA 173 (Sextans) [ UGCA Galaxies ]

Annotated CCD Image (50% size, square root scale) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-02 03:03 UT (#947224-27) 12" LX200R  (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGCA 173 - detail PGC 27817 (catalog mag ?)  PGC 27828 (catalog mag +14.9)

Annotated CCD Image (125% size, square root scale, cropped) Image details as above

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PGC 27825 - Spiral Galaxy

PGC 27825 (Sextans) PGC 27825 (Catalog mag +14.5) Near to UGCA 173

Annotated CCD Image (50% size, square root scale) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-02 03:03 UT (#947224-27) 12" LX200R  (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

PGC 27825 - detail PGC 27825 was not the planned target for imaging but was captured in a position lying near the edge of the image FOV Target to be scheduled as the primary target for future  session (see later image of PGC 27825, 2022-02-03 S962)

Annotated CCD Image (125% size, square root scale, cropped) Image details as above

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CSS100406:102834-023660 - BL Type Transient (AT 2021agmc)

AT 2021agmc (Sextans) AT 2021agmc (Type: BL) discovered 2021-12-21.007 UT by Gaia Alias: Gaia21frb Brightening of blazar CSS100406:102834-023660 to mag +16.40  from historic mag +18.55  ( Rochester Supernova site | Gaia21frb )

AT 2021agmc (T+35.9d) Reported BL Type transient is shown by white cross-hairs

Annotated CCD Image  (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-02 03:22 UT (#947230-34) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

AT 2021afpi - 2022-01-02 (T+12.1d) Image below (2022-01-02.134) was taken 12.1 days after discovery of 2021afpi Reported position of transient is shown by white cross-hairs Measured magnitude +17.90

Annotated CCD Image  (100% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-02 03:22 UT (#947230-34) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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NGC 3310 - Spiral Galaxy  (Herschel IV-60, ARP 217)

NGC 3310 / Herschel IV-60 (Ursa Major) [ Herschel 400 Objects ] [ ARP Galaxies ]

NGC 3310 - Detail Image below (2022-01-02.149) was taken 287.8 days after discovery of 2021gmj Note: Earlier SN 2021gmj (Type: II) is no longer visible

CCD Image (100% size, log scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-02 03:44 UT (#947237-41) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Negative CCD Image (100% size, square root scale, cropped) Image details as above

Images of Earlier SN 2021gmj (NGC 3310) on Supernovae 2021 Page >>

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UGCA 276 - Irregular Galaxy (PGC 39145)

UGCA 276 (Canes Venatici) Alias: PGC 39145 (catalog mag +17.7)  [ UGCA Galaxies | Irregular Galaxies ] Position of UGCA 276 (very faint) is shown by white circle Bright area in top left of image is part of galaxy NGC 4214

Annotated CCD Image  (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-02 04:05 UT (#947244-48) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGCA 276 - Detail

Annotated CCD Image  (100% size, square root scale, cropped) Image details as above

Negative CCD Image (100% size, square root scale, cropped) Image details as above

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UGC 8426 - Spiral Galaxy with Transient AT 2021knq

UGC 8426 with AT 2021knq (Canes Venatici) AT 2021knq (Type: unk) discovered 2021/04/26.034 UT by MASTER Alias: MASTER OT J132415.53+312019.0 Discovery Magnitude 17.2  ( Rochester Supernova site | TNS 2021knq )

UGC 8426 - Spiral Galaxy

Annotated CCD Image  (50% size, square root scale) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-02 04:29 UT (#947253-56) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 8426 with AT 2021knq - 2022-01-02 (T+251.1d) Image below (2022-01-02.181) was taken 251.1 days after discovery of 2021knq Reported position of transient (very faint ?) is shown by white cross-hairs

Annotated CCD Image  (125% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-02 04:29 UT (#947253-56) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2021knq (UGC 8426) on Transients 2021 Page >>

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NGC 4165 - Spiral Galaxy with Type II Supernova 2021gno

NGC 4165 with SN 2021gno (Virgo) SN 2021gno (Type: II) discovered 2021/03/20.235 UT by ZTF Alias: ZTF21aaqhhfu  ( Rochester Supernova site |  Claudio Balcon image | Giancarlo Cortini image  )

NGC 4165 with SN 2021gno - 2022-01-02 (T+288.0d) Image below (2022-01-02.197) was taken 288.0 days after discovery of 2021gno Position of earlier SN (no longer visible) is shown by white cross hairs.

Annotated CCD Image  (125% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-02 04:53 UT (#947260-64) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2021gno (NGC 4165) on Supernovae 2021 Page >>

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NGC 4168 - Elliptical Galaxy

NGC 4168 (Virgo)

Annotated CCD Image  (70% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-02 04:53 UT (#947260-64) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4168 - Detail

CCD Image  (100% size, log scale, cropped) Image details as above

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IC 3322A - Spiral Galaxy with Type Ia Supernova SN 2021hiz

IC 3322A with SN 2021hiz (Virgo) SN 2021hiz (Type: Ia) discovered 2021/03/30.359 UT by ZTF Alias: ZTF21aaqytjr  (Rochester Supernova site) [ Supernovae 2021 ]

IC 3322A with SN 2021hiz - 2022-01-02 (T+277.9d) Image below (2022-01-02.210) was taken 277.9 days after discovery of 2021hiz Position of SN (now only faintly visible) is indicated by white cross-hairs. Image affected by some wind vibration

Annotated CCD Image  (100% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-02 05:12 UT (#947267-71) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2021hiz (IC 3322A) on Supernovae 2021 Page >>

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MCG +6-30-84 - Galaxy (PGC 48870) with Type Ia Supernova 2021K

MCG +6-30-84 / PGC 48870 with SN 2021K (Canes Venatici) MCG +6-30-84 / Alias SN 2021K (Type: Ia) discovered 2021/01/01.490 UT by ZTF  Alias: ZTF21aaabvjk, Gaia21acj  (Rochester Supernova site | ZTF observations | )

MCG +6-30-84 / PGC 48870 with SN 2021K - 2022-01-02 (T+365.7d) Image below (2022-01-02.224) was taken 365.7 days after discovery of 2021K Position of earlier SN (now faded) is shown by white cross hairs.  Measured magnitude +15.5, SN + Galaxy Centre (fading) vs  Host Galaxy Catalog Mag +15.5

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-02 05:33 UT (#947273-77) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2021K (MCG +6-30-84) on Supernovae 2021 Page >>

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UGC 8975 - Spiral Galaxy with Type Ia Supernova 2021adpe

UGC 8975 with SN 2021adpe (Canes Venatici) SN 2021adpe (Type: Type Ia, z=0.009) discovered 2021-11-04.975 UT by Gaia Alias: Gaia21fas,  Mag +17.76 at discovery  (Rochester Supernova site | Gaia21fas )

UGC 8975 with SN 2021adpe - 2022-01-02 (T+58.3d) Image below (2022-01-02.240) was taken 58.3 days after discovery of 2021adpe Position of SN (very faint) shown by white cross-hairs

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-02 05:55 UT (#947280-84) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2021adpe (UGC 8975) on Supernovae 2021 Page >>

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