David's Astronomy Pages CCD Images - Session 879 (2021-04-01)

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Session Notes

398P/Boattini - Comet     Nova Per 2020 - Nova (V1112 Per, AT2020abap)     AT2021eio - Outburst of Quasar VV2006, J091625.4+471442     IC 863 - Spiral Galaxy with Type IIn Supernova 2021foa IC 992 - Spiral Galaxy with Type Ic Supernova 2021dwg IC 3322A - Spiral Galaxy with Type Ia Supernova 2021hiz     NGC 3310 - Spiral Galaxy (Herschel IV-60) with SN 2021gmj NGC 4165 - Spiral Galaxy with Type II Supernova 2021gno NGC 4227 - Spiral Galaxy with Type Ia Supernova 2021biz     UGCA 241 - Spiral Galaxy (PGC 36217) UGCA 282 - Spiral Galaxy (PGC 41291) UGC 3502 - Spiral Galaxy with Type Ia Supernova 2021cwc     Variable Stars (photometric monitoring) - RZ LMi     Nearby Stars (astrometric monitoring) - None

- Night session (4.9 hours) - Main aims of the session were to acquire a selection of variable star, nearby star and comet targets and deep sky targets as cloud allowed - Session ended by arrival of cloud at 02:20 - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: -1°C (min) - CCD Temperature:  -25°C - Notes from 2021-04-01 >>    [ Local Files >> ]   -

398P/Boattini - Comet

398P/Boattini (passing through Cancer) Sun Distance 1.68 AU (receeding) Earth Distance 1.09 AU (162.9 million km)		398P/Boattini - 2021-04-01, Detail Alias: P/2020 P2 (Boattini) Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 90.02 arcsec/hr, Dec -7.64 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-04-01 20:56 UT (#879011-13) 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) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2021-04-01 20:58 UT (#879011-19) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Images of 398P/Boattini on Comets 2020 Page >>

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Nova Per 2020 - Nova (V1112 Per, AT2020abap)

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 AT2020abap (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 - 2021-04-01 (T+127.1d) Image below (2021-04-01.956) was taken 127.1 days after discovery of Nova Nova is shown by white cross hairs.  Measured magnitude +14.5

CCD Image (100% size, linear scale, cropped) 5 x 90s exposure (average combine), 3x3 binning, C Filter 2021-04-01 23:01 UT (#879062-66) 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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AT2021eio - Outburst of Quasar VV2006, J091625.4+471442

AT2021eio (Ursa Major) AT2021eio (Type: QSO) discovered 2021/03/03.304 UT by Gaia Alias: Gaia21bel  (alert mag +16.44  vs historic mag +16.66)  ( Rochester Supernova site  | Gaia21bel page )

AT2021eio / VV2006, J091625.4+471442 QSO is shown by white cross hairs.

Annotated CCD Image  (50% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-01 21:17 UT (#879023-27) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

AT2021eio / - 2021-04-01 (T+29.6d) Image below (2021-04-01.881) was taken 29.6 days after reported discovery of 2021eio QSO is shown by white cross hairs.  Measured Magnitude +16.0

Annotated CCD Image  (100% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-01 21:17 UT (#879023-27) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT2021eio (VV2006, J091625.4+471442) on Active Galactic Nuclei Page >>

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IC 863 - Spiral Galaxy with Type IIn Supernova 2021foa

IC 863 with SN2021foa (Virgo) SN 2021foa (Type: IIn) discovered 2021/03/15.450 UT by ASAS-SN Alias: ASASSN-21dg Discovery Magnitude 15.9 (g-Sloan Filter) vs Prior Non-Detection Limiting Magnitude 17.9  ( Rochester Supernova site | Discovery Image | TNS 2021foa )

IC 863 with SN2021foa - 2021-04-02 (T+17.6d) Image below (2021-04-02.003) was taken 17.6 days after discovery of 2021foa SN is indicated by white cross-hairs.  Measured magnitude +15.1  (nucleus +14.7)

Annotated CCD Image  (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-02 00:14 UT (#879090-94) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2021foa (IC 863) on Supernovae 2021 Page >>

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IC 992 - Spiral Galaxy with Type Ic Supernova 2021dwg

IC 992 with SN2021dwg (Virgo) SN 2021dwg (Type: Ic) discovered 2021/02/27.420 UT by ZTF Alias: ZTF21aannoix Magnitude +18.44 at discovery  (Rochester Supernova site |  TNS SN 2021dwg | ZTF21aannoix Notes) [ Supernovae 2021 ]

IC 992 with SN2021dwg - 2021-04-02 (T+33.6d) Image below (2021-04-02.018) was taken 33.6 days after discovery of 2021dwg

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-02 00:35 UT (#879097-101) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2021dwg (IC 992) on Supernovae 2021 Page >>

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

IC 3322A with SN2021hiz (Virgo) SN 2021hiz (Type: Ia) discovered 2021/03/30.359 UT by ZTF Alias: ZTF21aaqytjr Discovery Magnitude 17.71 (g-ZTF Filter)  ( Rochester Supernova site | TNS 2021hiz )

IC 3322A with SN2021hiz - 2021-04-02 (T+2.7d) IC 3322A / PGC 40566 (catalog mag +13.8) with SN indicated by white cross-hairs Other galaxies in same field of view  PGC 213988 (catalog mag 16.9),  PGC 213989 (catalog mag +16.9) PGC 213987 (catalog +17.4)

Annotated CCD Image  (50% size, square root scale) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-02 01:22 UT (#879107-08) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

IC 3322A with SN2021hiz - 2021-04-02 (T+2.7d) Image below (2021-04-02.054) was taken 2.7 days after discovery of 2021hiz Position of SN (distinct, brightening) is indicated by white cross-hairs. Measured magnitude +15.4 (Clear Filter)

Annotated CCD Image  (100% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-02 01:22 UT (#879107-08) 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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NGC 3310 - Spiral Galaxy  (Herschel IV-60) with Type II Supernova 2021gmj

NGC 3310 / Herschel IV-60 with SN2021gmj (Ursa Major) SN 2021gmj (Type: II) discovered 2021/03/20.320 UT by DLT40 Alias: ZTF21aaqgmjt, ATLAS21izq  ( Rochester Supernova site |  Gianluca Masi image)

NGC 3310 with SN2021gmj - 2021-04-01 (T+12.6d) Image below (2021-04-01.896) was taken 12.6 days after discovery of 2021gmj SN position indicated by white cross-hairs

CCD Image (100% size, log scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-01 21:39 UT (#879031-35) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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

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NGC 4165 - Spiral Galaxy with Type II Supernova 2021gno

NGC 4165 with SN2021gno (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 NGC 4165 / PGC 38885 (catalog mag +14.4) with NGC 4168 (catalog mag +11.2) & NGC 4164 (catalog mag +15.7)

Annotated CCD Image  (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-01 22:43 UT (#879054-58) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4165 with SN2021gno - 2021-04-01 (T+12.7d) Image below (2021-04-01.940) was taken 12.7 days after discovery of 2021gno SN 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 2021-04-01 22:43 UT (#879054-58) 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 4227 - Spiral Galaxy with Type Ia Supernova 2021biz

NGC 4227 with SN2021biz (Canes Venatici) SN 2021biz (Type: Ia) discovered 2021/01/29.543 UT by ATLAS Alias: ATLAS21dfz  (Rochester Supernova site | Gianluca Masi image | Jean-Claude Merlin image )

NGC 4227 with SN2021biz - 2021-04-01 (T+62.4d) Image below (2021-04-01.910) was taken 62.4 days after discovery of 2021biz SN shown by white cross hairs.  Measured magnitude ?

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-01 22:00 UT (#879038-42) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2021biz (NGC 4227) on Supernovae 2021 Page >>

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UGCA 241 - Spiral Galaxy (PGC 36217)

UGCA 241 (Crater) Alias: PGC 36217 (catalog mag +13.6)   [ UGCA Galaxies ]

Annotated CCD Image  (50% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-01 22:22 UT (#879046-50) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGCA 241  - Detail

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

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UGCA 282 - Spiral Galaxy (PGC 41291)

UGCA 282 (Virgo) Alias: PGC 41291 (catalog mag +14.0)   [ UGCA Galaxies ] Other galaxies in field of view : PGC 1004370 (catalog mag +17.3), PGC 1004281 (catalog mag +17.3), PGC 1004142 (catalog mag +17..8), PGC 1004378 (catalog mag +18.0),

Annotated CCD Image  (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-01 23:52 UT (#879083-87) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGCA 282 - Detail

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 3502 - Spiral Galaxy with Type Ia Supernova 2021cwc

UGC 3502 with SN 2021cwc (Camelopardalis) SN 2021cwc (Type Ia, z=0.021) discovered 2021/02/13.381 UT by ATLAS Alias: ATLAS21flz  ( Rochester Supernova site |  Giancarlo Cortini image | Odd Trondal image )

UGC 3502 with SN 2021cwc - 2021-04-01 (T+47.5d) Image below (2021-04-01.856) was taken 47.5 days after discovery of 2021cwc SN is shown by white cross hairs.  SN has faded but is still just visible.

Annotated CCD Image  (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-01 20:42 UT (#879004-08) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2021cwc (UGC 3502) on Supernovae 2021 Page >>

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