David's Astronomy Pages CCD Images - Session 949 (2022-01-05)

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Session Notes

19P/Borrelly - Comet 132P/Helin-Roman-Alu - Comet     AT 2021xrf - Transient AT 2021agpw - CV Type Transient     Abell 1656 - Galaxy Cluster (Coma Cluster, NGC 4874 & NGC 4889 et al)     NGC 1052-DF2 - Ultra diffuse galaxy (UDG) NGC 3310 - Spiral Galaxy (Herschel IV-60) with SN 2021gmj NGC 4165 - Spiral Galaxy NGC 4874 - Elliptical Galaxy (Member of Abell 1656) NGC 4889 - Elliptical Galaxy (Caldwell 35, Member of Abell 1656)     UGCA 24 - Spiral Galaxy (PGC 7900) UGC 1098 - Spiral Galaxy with AGN Transient AT 2021ahep UGC 1971 - Galaxy with Type II Supernova 2021afkk UGC 3383 - Spiral Galaxy with Transient AT 2021abbn UGC 4671 - Spiral Galaxy with Type Ia Supernova 2021afsj UGC 5528 - Spiral Galaxy with Type Ia Supernova 2022B UGC 5829 - Irregular Galaxy (Spider Galaxy) UGC 8975 - Spiral Galaxy with Type Ia Supernova 2021adpe        -  UGC 9083 w/AT 2021buk attempt failed (due to cloud)     Variable Stars (photometric monitoring) - RR Tau      Nearby Stars (astrometric monitoring) - None

- All-night session  10.9 hours - Session interrupted by cloud interval at 21:43 to 03:02, and futher cloud from 05:52 onwards. - 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 2022-01-05 >>    [ Local Files >> ]

19P/Borrelly - Comet

19P/Borrelly (passing through Cetus) Sun Distance 1.35 AU Earth Distance 1.19 AU (178.3 million km)		19P/Borrelly - 2022-01-05, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 76.16 arcsec/hr, Dec 107.67 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2022-01-05 18:59 UT (#949003-05) 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 2022-01-05 19:02 UT (#949003-11) 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 >>

19P/Borrelly - False Colour Image(s)  Inverse Spectrum

19P/Borrelly - 2022-01-05

False Colour CCD Image (70% size, log scale) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2022-01-05 19:02 UT (#949003-11) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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132P/Helin-Roman-Alu - Comet

132P/Helin-Roman-Alu (passing through Pisces) Sun Distance 1.77 AU (receeding) Earth Distance 1.30 AU (194.2 million km)		132P/Helin-Roman-Alu - 2022-01-05, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 69.51 arcsec/hr, Dec 29.50 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 3 x 60s exposure (average combine), 3x3 binning, C Filter 2022-01-05 19:38 UT (#949021-23) 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) 7 x 60s exposure (average combine), 3x3 binning, C Filter 2022-01-05 19:40 UT (#949021-27) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Images of 132P/Helin-Roman-Alu on Comets 2021 Page >>

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AT 2021xrf - Transient

AT 2021xrf (Perseus) AT 2021xrf (Type: CV) discovered 2021-09-02.359 UT by Kumar Alias: GEOTS-2021-022 Discovery Mag +13.5  ( Rochester Supernova site | TNS 2021xrf )

AT 2021xrf - 2022-01-05 (T+125.5d) Image below (2022-01-05.873) was taken 125.5 days after discovery of 2021xrf Position of reported transient (not visible) is shown by white cross-hairs Transient is presumed to have faded to normal level

Annotated CCD Image  (125% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-05 21:04 UT (#949053-56) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2021xrf on Transients 2021 Page >>

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AT 2021agpw - CV Type Transient

AT 2021agpw (Serpens) AT 2021agpw (Type: CV) discovered 2021-12-27.275 UT by MASTER Alias: MASTER OT J155629.78+090149.3 Discovery Mag 10.1 (red long variability ?) [ TNS 2021agpw ]

AT 2021agpw - 2022-01-06 (T+9.9d) Image below (2022-01-06.189) was taken 9.9 days after discovery of 2021agpw Reported transient is shown by white cross hairs.   Measured magnitude +10.53

Annotated CCD Image (100% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, C Filter 2022-01-06 04:35 UT (#949106-10) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2021agpw on Transients 2021 Page >>

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Abell 1656 - Galaxy Cluster (Coma Cluster, NGC 4874 & NGC 4889 et al)

Part of Abell 1656 (Coma Berenices) Alias:  Coma Cluster Abell 1656 / Coma Cluster comprises a vast multitude of galaxies covering a total area of 5.4 square degrees The area imaged below (0.05 square degrees) is just a small part of Abell 1656 See article in Ast.Now, May 2018, p80 [ Abell Galaxy Clusters ]

Annotated CCD Image (46% size, square root scale) 6 x 180s exposure (average combine), 2x2 binning, C Filter 2022-01-06 04:17 UT (#949097-103) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 [ Full Size Image ]

Annotated false-colour CCD Image (46% size, square root scale) Image details as above

Negative CCD Image (46% size, square root scale) Image details as above [ Full Size Image ]

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NGC 1052-DF2 - Ultra diffuse galaxy (UDG)

NGC 1052-DF2 (Cetus) Position of NGC 1052-DF2 (very faint / almost invisible) is shown by white circle

CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-05 20:22 UT (#949037-41) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 1052-DF2 -  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 [ See Hubble Image of NGC 1052-DF2 ]

Later (more successful) image of NGC 1052-DF2  >>

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NGC 4165 - Spiral Galaxy

NGC 4165  (Virgo) NGC 4165 / PGC 38885 (catalog mag +14.7) with PGC 1426623 (catalog mag +17.4)

Annotated CCD Image  (50% size, square root scale) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-06 03:30 UT (#949084-87) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4165 with SN 2021gno 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 - 2022-01-06 (T+291.9d) Image below (2022-01-06.140) was taken 291.9 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) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-06 03:30 UT (#949084-87) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4165 with SN 2021gno - Earlier image, 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 4874 - Elliptical Galaxy (Member of Abell 1656)

NGC 4874 (Coma Berenices) Alias: PGC 44628 Elliptical Galaxy in Abell 1656 / Coma Cluster See article in Ast.Now, May 2018, p80 [ Abell Galaxy Clusters ]

NGC 4874 in galaxy cluster Abell 1656

Annotated CCD Image (46% size, square root scale) 6 x 180s exposure (average combine), 2x2 binning, C Filter 2022-01-06 04:17 UT (#949097-103) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 [ Full Size Image ]

NGC 4874 - Detail NGC 4874 (PGC 44628, catalog mag +12.7) with adjacent galaxies NGC 4871, NGC 4872, NGC 4873, IC 3968, IC 3998, LEDA 44595, LEDA 44597, LEDA 44636, LEDA 44644, LEDA 44651, LEDA 44652

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

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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NGC 4889 - Elliptical Galaxy (Caldwell 35, Member of Abell 1656)

NGC 4889 (Coma Berenices) Alias : PGC 44715, Caldwell 35 Elliptical Galaxy in Abell 1656 / Coma Cluster See article in Ast.Now, May 2018, p80 [ Abell Galaxy Clusters ]  [ Caldwell Objects ]

NGC 4889 in galaxy cluster Abell 1656

Annotated CCD Image (46% size, square root scale) 6 x 180s exposure (average combine), 2x2 binning, C Filter 2022-01-06 04:17 UT (#949097-103) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 [ Full Size Image ]

NGC 4889 / Caldwell 35 - Detail NGC 4889 (PGC 44715, catalog mag +12.6)  with surrounding galaxies NGC 4886, NGC 4894, NGC 4898, IC 4011, LEDA 44708 & LEDA 126771

Annotated CCD Image (100% size, square root scale, cropped) 6 x 180s exposure (average combine), 2x2 binning, C Filter 2022-01-06 04:17 UT (#949097-103) 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 above

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

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UGCA 24 - Spiral Galaxy (PGC 7900)

UGCA 24 (Cetus) Alias: PGC 7900 (catalog mag +14.0) [ UGCA Galaxies ]

Annotated CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-05 19:57 UT (#949030-34) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGCA 24 -  Detail

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

UGCA 24 -  Earlier Image (Jan 2021)

CCD Image (100% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2021-01-12 19:59 UT (#849040-42) 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 with AT 2021ahep - 2022-01-05 (T+7.4d) Image below (2022-01-05.801) was taken 7.4 days after discovery of 2021ahep AGN is highlighted by white cross-hairs Measured Mag +15.35 (AGN / Nucleus)

CCD Image  (125% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-05 19:25 UT (#949015-18) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2021ahep (in UGC 1098) on Transients 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 - 2022-01-05 (T+41.5d) Image below (2022-01-05.858) was taken 41.5 days after discovery of 2021afkk Supernova reported position is shown by white cross-hairs Measured magnitude +15.31 (SN + Galaxy Nucleus)

Annotated CCD Image  (125% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-05 20:46 UT (#949045-49) 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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UGC 3383 - Spiral Galaxy with Transient AT 2021abbn

UGC 3383 with AT 2021abbn (Auriga) AT 2021abbn (Type: unk) discovered 2021-10-07.564 UT by ATLAS Alias: ATLAS21bkav  (Rochester Supernova site, TNS 2021abbn )

UGC 3383 with AT 2021abbn - 2022-01-05 (T+90.3d) Image below (2022-01-05.897) was taken 90.3 days after discovery of 2021abbn Position of reported transient (not visible / probably faded) 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 2022-01-05 21:38 UT (#949072-74) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2021abbn (UGC 3383) on Transients 2021 Page >>

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UGC 4671 - Spiral Galaxy with Type Ia Supernova 2021afsj

UGC 4671 with SN 2021afsj (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 SN 2021afsj - 2022-01-06 (T+37.5d) Image below (2022-01-06.210) was taken 37.5 days after discovery of 2021afsj Position of 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 2022-01-06 05:12 UT (#949120-24) 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 5528 - Spiral Galaxy with Type Ia Supernova 2022B

UGC 5528 with SN 2022B (Sextans) SN 2022B (Type: Ia) discovered 2022-01-01.494 UT by ATLAS Alias: ATLAS22aab Mag +17.63 at discovery  (Rochester Supernova site | TNS 2022B )

UGC 5528 with SN 2022B - 2022-01-06 (T+4.6d) Image below (2022-01-06.131) was taken 4.6 days after discovery of 2022B Position of SN (visible & distinct) shown by white cross-hairs

Annotated CCD Image  (125% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-06 03:13 UT (#949080-81) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2022B (UGC 5528) on Supernovae 2022 Page >>

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UGC 5829 - Irregular Galaxy (Spider Galaxy)

UGC 5829 (Leo Minor)  [ Irregular Galaxies ]

UGC 5829 with LBV2021blu - 2022-01-06 (T+338.7d) Image below (2022-01-06.153) was taken 338.7 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) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-06 03:51 UT (#949090-94) 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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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 - 2022-01-06 (T+62.2d) Image below (2022-01-06.197) was taken 62.2 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 2022-01-06 04:52 UT (#949113-17) 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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NGC 3310 - Spiral Galaxy  (Herschel IV-60) with Type II Supernova 2021gmj

NGC 3310 / Herschel IV-60 with SN 2021gmj (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 - Spiral Galaxy

Annotated CCD Image (50% size, log scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-06 05:31 UT (#949127-31) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 3310 - Detail

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

NGC 3310 with SN 2021gmj - 2022-01-06 (T+291.9d) Image below (2022-01-06.224) was taken 291.9 days after discovery of 2021gmj Position of earlier SN (no longer visible) is indicated by white cross-hairs

CCD Image (100% size, log scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-01-06 05:31 UT (#949127-31) 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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