David's Astronomy Pages CCD Images - Session 989 (2022-03-19)

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Session Notes

19P/Borrelly - Comet 29P/Schwassmann-Wachmann - Comet 67P/Churyumov-Gerasimenko - Comet 110P/Hartley - Comet (Attempt) C/2019 L3 (ATLAS) - Comet     KIC 8462852 - Variable Star (Tabby's Star) Nova Cas 2021 - Nova (V1405 Cas) Nova Per 2020 - Nova (V1112 Per)     AT 2022dzi - Type ulens? Transient AT 2022evu - CV Type Transient AT 2022evv - CV Type Transient     CGCG 200-019 - Galaxy     NGC 2922 - Irregular Galaxy with Type Ic Supernova 2022bdu NGC 5732 - Spiral Galaxy with Type Ia Supernova 2021agpf PKS0735+17 - Galaxy with Blazer Transient AT 2021agfn     UGC 4671 - Spiral Galaxy with Type Ia Supernova 2021afsj UGC 10566 - Spiral Galaxy with Type Ia Supernova 2022aab      Variable Stars (photometric monitoring) - TV Cas, CI Cyg, S Cyg, SS Cyg, RZ LMi, BL Lac, CY Lyr, GK Per, ER UMa      Nearby Stars (astrometric monitoring) - DX Cnc, 61 Cyg, Groombridge 34, EV Lac

- All-night  session 7.3 hours     - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 5.5°C (min) - CCD Temperature:  -20°C - Notes from 2022-03-19 >>    [ Local Files >> ]

19P/Borrelly - Comet

19P/Borrelly (passing through Perseus) Sun Distance 1.42 AU (receeding) Earth Distance 1.58 AU (235.7 million km)		19P/Borrelly - 2022-03-19, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 127.04 arcsec/hr, Dec 64.74 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2022-03-19 22:40 UT (#989040-43) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		CCD Image (100% size, square root scale, cropped) 6 x 45s exposure (average combine), 3x3 binning, C Filter 2022-03-19 22:42 UT (#989040-48) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Images of 19P/Borrelly on Comets 2022 Page >>

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29P/Schwassmann-Wachmann - Comet

29P/Schwassmann-Wachmann (passing through Taurus) Sun Distance 5.97 AU (receeding) Earth Distance 6.21 AU (929.6 million km)		29P/Schwassmann-Wachmann - 2022-03-19, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 19.97 arcsec/hr, Dec -0.91 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 5 x 60s exposure (average combine), 3x3 binning, C Filter 2022-03-19 23:04 UT (#989059-63) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		Annotated CCD Image (100% size, square root scale, cropped) Image details as left
Images of 29P/Schwassmann-Wachmann on Comets 2022 Page >>
Earlier images of 29P/Schwassmann-Wachmann on Comets 2020 Page >>

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67P/Churyumov-Gerasimenko - Comet

67P/Churyumov-Gerasimenko (passing through Cancer) Sun Distance 2.00 AU (receeding) Earth Distance 1.25 AU (186.9 million km)		67P/Churyumov-Gerasimenko - 2022-03-19, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 27.56 arcsec/hr, Dec -16.58 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2022-03-19 23:50 UT (#989084-86) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		CCD Image (100% size, square root scale, cropped) 15 x 45s exposure (average combine), 3x3 binning, C Filter 2022-03-19 23:56 UT (#989084-98) 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 - 2022-03-19

False-colour CCD Image (70% size, square root scale) 15 x 45s exposure (average combine), 3x3 binning, C Filter 2022-03-19 23:56 UT (#989084-98) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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110P/Hartley - Comet (Attempt)

110P/Hartley (passing through Canis Minor) Sun Distance 2.63 AU Earth Distance 2.00 AU (299.3 million km) Expected position of comet (not visible) is shown by white circle		110P/Hartley - 2022-03-22, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 12.55 arcsec/hr, Dec -4.68 arcsec/hr) Expected position of comet (not visible) is shown by white circle
Annotated CCD Image (50% size, square root scale) 5 x 60s exposure (average combine), 3x3 binning, C Filter 2022-03-20 00:54 UT (#989118-22) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		CCD Image (100% size, square root scale, cropped) Image details as left
Images of 110P/Hartley on Comets 2022 Page >>

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C/2019 L3 (ATLAS) - Comet

C/2019 L3 (ATLAS) (passing through Gemini) Sun Distance 3.61 AU (receeding) Earth Distance 3.30 AU (494.3 million km)		C/2019 L3 (ATLAS) - 2022-03-19, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 12.60 arcsec/hr, Dec -22.25 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2022-03-19 23:14 UT (#989066-68) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		CCD Image (100% size, log scale, cropped) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2022-03-19 23:17 UT (#989066-74) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Images of C/2019 L3 (ATLAS) on Comets 2022 Page >>

C/2019 L3 (ATLAS) - False Colour Image Inverse Spectrum

C/2019 L3 (ATLAS)  -  2022-03-19

False Colour CCD Image (70% size, log scale) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2022-03-19 23:17 UT (#989066-74) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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KIC 8462852 - Variable Star (Tabby's Star)

KIC 8462852 / Tabby's Star (Cygnus) Alias: Boyajian's Star, WTF Star ("Where’s the Flux?") Distance 1470 ly. Magnitude +11.7 Star shows large irregular dimmings. KIC 8462852 shown by white cross-hairs

KIC 8462852  - Image (2022-03-20) Measured Mag +12.01 (V)

Annotated CCD Image  (50% size, linear scale) 3 x 60s exposure (average combine), 3x3 binning, V Filter 2022-03-20 04:18 UT (#989258-60) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

KIC 8462852  - Earlier Image (2022-03-15) Measured Mag +11.75 (V)

Annotated CCD Image  (50% size, linear scale) 3 x 60s exposure (average combine), 3x3 binning, V Filter 2022-03-15 04:38 UT (#985121-23) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

KIC 8462852  - Earlier Image (2021-12-13) Measured Mag +11.1 (V)

Annotated CCD Image  (50% size, linear scale) 3 x 60s exposure (average combine), 3x3 binning, V Filter 2021-12-13 18:28 UT (#941024-26) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

KIC 8462852  - Earlier Image (2021-08-13) Measured Mag +11.1 (V)

Annotated CCD Image  (50% size, linear scale) 3 x 60s exposure (average combine), 3x3 binning, V Filter 2021-08-13 23:24 UT (#905040-42) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

KIC 8462852  - Earlier Image (2021-07-25) Measured Mag +11.71 (V)

Annotated CCD Image  (50% size, linear scale) 3 x 60s exposure (average combine), 3x3 binning, V Filter 2021-07-25 01:24 UT (#902129-31) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

KIC 8462852  - Earlier Image (2020-12-02) Measured Mag +11.94 (C), + 11.82 (V)

Annotated CCD Image  (50% size, linear scale, cropped) 4 x 30s exposure (average combine), 3x3 binning, C Filter 2020-12-02 21:38 UT (#837157-65) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

KIC 8462852 Links: AAVSO Info : https://www.aavso.org/category/tags/kic-8462852 Unofficial Page for Where's the Flux? Discovery Paper:  1509.03622.pdf (arxiv.org)

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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) AT2021hkn (Type: Nova) reported by 2021/03/30.055 UT by Gaia Alias: Gaia21bpe, AT2021hkn, V1405 Cas

Nova Cas 2021 - 2022-03-20 (T+366.7d) Image below (2022-03-20.143) was taken 366.7 days after discovery of V1405 Nova is shown by white cross hairs.  Measured magnitude +10.09 (linked with Detection Threshold = 30)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2022-03-20 03:28 UT (#989215-19) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Nova Cas 2021 (V1405 Cas) Spectra - 2022-03-20 (T+366.7d)

Spectra produced in AstroMain using Image taken with Star Analyser 200 5 x 45s exposure (average combine), 2x2 binning, S Filter 2022-03-20 03:32 UT (#989220-24) 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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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 - 2022-03-19 (T+479.1d) Image below (2022-03-19.925) was taken 479.1 days after discovery of nova Nova (fading) is shown by white cross hairs.  Measured magnitude +16.20

Annotated CCD Image (100% size, linear scale, cropped) 5 x 90s exposure (average combine), 3x3 binning, C Filter 2022-03-19 22:17 UT (#989026-30) 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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AT 2022dzi - Type ulens? Transient

AT 2022dzi (Gemini) AT 2022dzi (Type: ulens?) discovered 2022-02-26.818 UT by Gaia Alias: Gaia22auw  (Rochester Supernova site | TNS 2022dzi | Gaia22auw )

AT 2022dzi - 2022-03-19 (T+21.1d) Image below (2022-03-19.935) was taken 21.1 days after discovery of 2022dzi Transient object is shown by white cross hairs.  Measured magnitude +11.41

Annotated CCD Image (100% size, square root scale, cropped) 4 x 60s exposure (average combine), 3x3 binning, C Filter 2022-03-19 22:28 UT (#989033-36) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2022dzi on Transients 2022 Page

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AT 2022evu - CV Type Transient

AT 2022evu (Bootes) AT 2022evu (Type: CV) discovered 2022-03-17.345 UT by MASTER Alias: MASTER OT J144954.78+401346.5 Discovery Mag +13.1  (vs non-detection / mag limit +18.2) Identified in Aladin/Simbad as CSS J144954.6+401349 (a RR Lyr type variable)  ( TNS 2022evu )

AT 2022evu - 2022-03-19 (T+2.6d) Image below (2022-03-19.916) was taken 2.6 days after discovery of 2022evu Position of reported transient (easily visible) is shown by white cross-hairs Measured magnitude +13.61

Annotated CCD Image (100% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, C Filter 2022-03-19 22:02 UT (#989019-23) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2022evu on Transients 2022 Page

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AT 2022evv - CV Type Transient

AT 2022evv (Bootes) AT 2022evv (Type: CV) discovered 2022-03-16.697 UT by MASTER Alias: MASTER OT J153156.85+405008.7 Identified in Aladin/Simbad as 2MASS J15315678+4050075, a RR Type variable with a 1 mag variability over 1 hour) Discovery magnitude +15.7 (vs non-detection at mag limit of +18.5 in 2018-05-16)  ( TNS 2022evv )

AT 2022evv - 2022-03-19 (T+3.2d) Image below (2022-03-19.909) was taken 3.2 days after discovery of 2022evv Position of transient (visible) is shown by white cross-hairs Measured magnitude +15.26

Annotated CCD Image (100% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, C Filter 2022-03-19 21:52 UT (#989012-16) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2022evv on Transients 2022 Page

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CGCG 200-019 - Galaxy

CGCG 200-019  (Lyra)

Annotated CCD Image (50% size, square root scale) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2022-03-20 02:09 UT (#989157-60) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

CGCG 200-019 - Detail

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

CGCG 200-019 with SN2021usd (Lyra) SN 2021usd (Type: Ia) discovered 2021-08-02.376 UT by PS1 Alias: PS21ijv, ZTF21abqftqr Discovery Magnitude +18.75  ( Rochester Supernova site | TNS 2021usd )

CGCG 200-019 with SN2021usd - 2022-03-20 (T+229.7d) Image below (2022-03-20.081) was taken 229.7 days after discovery of 2021usd Position of earlier SN (no longer visible) is shown by white cross-hairs

Annotated CCD Image (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2022-03-20 02:09 UT (#989157-60) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2021usd (CGCG 200-019) on Supernovae 2021 Page

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NGC 2922 - Irregular Galaxy with Type Ic Supernova 2022bdu

NGC 2922 with SN2022bdu (Leo Minor) SN 2022bdu (Type: Ic) discovered 2022-02-02.477 UT by ATLAS Alias: ATLAS22eik  ( Rochester Supernova site | TNS 2022bdu )  [ Irregular Galaxies ]

NGC 2922 with SN2022bdu - 2022-03-20 (T+45.5d) Image below (2022-03-20.003) was taken 45.5 days after discovery of 2022bdu Position of SN (faint) is shown by white cross-hairs

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-03-20 00:14 UT (#989101-05) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2022bdu (NGC 2922) on Supernovae 2022 Page >>

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NGC 5732 - Spiral Galaxy with Type Ia Supernova 2021agpf

NGC 5732 with SN2021agpf (Bootes) SN 2021agpf (Type: Ia) discovered 2021-12-26.624 UT by ATLAS Alias: ATLAS21bnoc  ( Rochester Supernova site | TNS 2021agpf )

NGC 5732 with SN2021agpf - 2022-03-19 (T+83.3d) Image below (2022-03-19.894) was taken 83.3 days after discovery of 2021agpf Position of SN (fading) is shown by white cross-hairs Measured magnitude +16.92

CCD Image (125% size,square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-03-19 21:36 UT (#989004-08) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2021agpf (NGC 5732) on Supernovae 2021 Page

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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 with AT 2021agfn - 2022-03-19 (T+97.8d) Image below (2022-03-19.977) was taken 97.8 days after discovery of 2021agfn Reported transient object is shown by white cross-hairs Measured magnitude +15.87

Annotated CCD Image  (100% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-03-19 23:36 UT (#989077-81) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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

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UGC 4671 - Spiral Galaxy with Type Ia Supernova 2021afsj

UGC 4671 with SN2021afsj (Ursa Major) SN 2021afsj (Type: Ia) discovered 2021-11-29.718 UT by Shuji Tokuoka Alias: Gaia21flf, ZTF21acqstfo  ( Rochester Supernova site | Gaia21flf  )

UGC 4671 with SN2021afsj - 2022-03-20 (T+110.3d) Image below (2022-03-20.049) was taken 110.3 days after discovery of 2021afsj Position of SN (very faint) is shown by white cross-hairs

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-03-20 01:20 UT (#989142-46) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2021afsj (UGC 4671) on Supernovae 2021 Page >>

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UGC 10566 - Spiral Galaxy with Type Ia Supernova 2022aab

UGC 10566 with SN 2022aab (Hercules) SN 2022aab (Type: Ia) discovered 2022-01-19.633 UT by ATLAS Alias: ATLAS22ccn  ( Rochester Supernova site | TNS 2022aab )

UGC 10566 with SN 2022aab - 2022-03-20 (T+59.4d) Image below (2022-03-20.065) was taken 59.4 days after discovery of 2022aab Position of reported SN (indistinguishable from nucleus) is shown by white cross-hairs Measured magnitude (Nucleus + SN) +15.82

Annotated CCD Image (125% size,square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-03-20 01:43 UT (#989149-53) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2022aab (UGC 10566) on Supernovae 2022 Page

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