David's Astronomy Pages CCD Images - Session 930 (2021-10-30)

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Session Notes

GCVS V645 Cyg - Young Stellar Object (YSO, AT2021zkf) UGC 235 - Spiral Galaxy with Type II Supernova 2021aazm IC 190 - Elliptical Galaxy with Type Ia Supernova 2021abko NGC 1166 - Spiral Galaxy with Type II Supernova 2021zby NGC 514 - Spiral Galaxy with Type Ia Supernova 2020uxz Nova Cas 2021 - Nova (V1405 Cas) UGC 2605 - Irregular Galaxy with Type II Supernova 2021wvw NGC 1060 - Elliptical Galaxy, triplet with NGC 1057 & NGC 1061 M31 - Spiral Galaxy with Extragalactic Nova EGN 2021aceg NGC 9 - Spiral Galaxy with Type Ib Supernova 2021zju 4P/Faye - Comet (Attempted Sighting) C/2019 L3 (ATLAS) - Comet 67P/Churyumov-Gerasimenko - Comet UGC 3873 - Spiral Galaxy with Type II Supernova 2021yok CGCG 178-036 - Spiral Galaxy (PGC 23044) C/2021 A1 (Leonard) - Comet           Variable Stars (photometric monitoring) - RX And, TT Ari, TV Cas, SY Cnc, Y Cnc, BL Lac, RR Lyr, FO Ori, FU Ori, DY Per, RR Tau      Nearby Stars (astrometric monitoring) - HH And, Groombridge 34, EV Lac

- Full night Session (9.6 hours). - Clear skies - Main aims of the session were acquire image of galaxy triplet NGC 1060, NGC 1057 & NGC 1061 - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 3°C (min) - CCD Temperature:  -20°C - Notes from 2021-10-30 >>    [ Local Files >> ]       - Aurora Images/Video from 2021-10-30 >>

GCVS V645 Cyg - Young Stellar Object (YSO, AT2021zkf)

GCVS V645 Cyg (Cygnus) Alias: Gaia21ego The GSA web page for the Gaia21ego report this a YSO showing a gradual 1 magnitude rise in brightness over 5 years (from mag +13 to +12) Rise in brightness finally triggered the transient alert AT2021zkf (Type: YSO) discovered 2021-09-13.232 UT by Gaia

Annotated CCD Image  (50% size, linear scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-10-30 20:50 UT (#930026-30) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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

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UGC 235 - Spiral Galaxy with Type II Supernova 2021aazm

UGC 235 with SN2021aazm (Andromeda) SN 2021aazm (Type: II) discovered 2021-10-09.830 UT by XOSS Alias: XM75HT  (Rochester Supernova site | Stan Howerton image )

UGC 235 with SN2021aazm - 2021-10-30 (T+21.1d) Image below (2021-10-30.906) was taken 21.1 days after discovery of 2021aazm Supernova (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 2021-10-30 21:55 UT (#930051-55) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN2021abko (UGC 235) on Supernovae 2021 Page >>

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IC 190 - Elliptical Galaxy with Type Ia Supernova 2021abko

IC 190 with SN2021abko (Aries) SN 2021abko (Type: Ia) discovered 2021-10-14.520 UT by ASAS-SN Alias: ASASSN-21tk, ZTF19acetzrc  (Rochester Supernova site )

IC 190 with SN2021abko - 2021-10-30 (T+16.4d) Image below (2021-10-30.942) was taken 16.4 days after discovery of 2021abko Galaxy with supernova shown by white cross-hairs Measured magnitude of galaxy + SN is +14.55 (vs host galaxy catalog mag of +14.2 or +15.2) Possible evidence for supernova in the second host galaxy magnitude case

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-10-30 22:45 UT (#930084-88) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN2021abko (IC 190) on Supernovae 2021 Page >>

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NGC 1166 - Spiral Galaxy with Type II Supernova 2021zby

NGC 1166 with SN2021zby (Aries) SN 2021zby (Type: II) discovered 2021-09-17.453 UT by ATLAS Alias: ATLAS21bixf  (Rochester Supernova site | Enrico Prosperi image )

Annotated CCD Image  (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-10-30 23:03 UT (#930090-94) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 1166 with SN2021zby - 2021-10-30 (T+43.5d) Image below (2021-10-30.954) was taken 43.5 days after discovery of 2021zby Supernova (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 2021-10-30 23:03 UT (#930090-94) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2021zby (NGC 1166) on Supernovae 2021 Page >>

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NGC 514 - Spiral Galaxy with Type Ia Supernova 2020uxz

NGC 514 (Pisces) Spiral Galaxy with Type Ia Supernova [ Supernovae ] SN 2020uxz (Type 1a), discovered 2020/10/05.573 by Koichi Itagaki  (Rochester Supernova site | Discovery Image | )

NGC 514 with SN 2020uxz - 2021-10-30 (T+390.4d) Image below (2021-10-30.972) was taken 390.4 days after discovery of 2020uxz Earlier SN has faded and is no longer visible (compare with bottom earlier taken just over 1 year ago at T+18.4d)

Annotated CCD Image  (100% size, square root scale, cropped) 5 x 120s exposure (average combine), 3x3 binning, C Filter 2021-10-30 23:25 UT (#930099-103) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 514 with SN 2020uxz - Earlier Image 2020-10-07 am (T+18.4d) Image below (2020-10-23.935) was taken 18.4 days after discovery of SN 2020uxz SN is shown by white cross hairs.  Magnitude +13.6

Annotated CCD Image  (100% size, square root scale, cropped) 5 x 120s exposure (average combine), 3x3 binning, C Filter 2020-10-23 22:27 UT (#820126-30) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2020uxz (NGC 514) on Supernovae 2020 Page >>

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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 / AT2021hkn - 2021-10-30 (T+226.6d) Image below (2021-10-30.993) was taken 226.6 days after discovery of Nova Nova is shown by white cross hairs.  Measured magnitude +8.16 (linked with Detection Threshold = 50)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2021-10-30 23:51 UT (#930115-19) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Nova Cas 2021 (V1405 Cas) Spectra - 2021-10-30 (T+226.6d)

Spectra produced in AstroMain using Image taken with Star Analyser 200 3 x 30s exposure (average combine), 2x2 binning, S Filter 2021-10-30 23:54 UT (#930120-22) 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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UGC 2605 - Irregular Galaxy with Type II Supernova 2021wvw

UGC 2605 with SN2021wvw (Perseus) SN 2021wvw (Type: II, z=0.009944) discovered 2021-08-24.606 UT by PS1 Alias: PS21jnb Host Alias : PGC 12073  (Rochester Supernova site )

UGC 2605 with SN2021wvw - 2021-10-31 (T+67.4d) Image below (2021-10-31.006) was taken 67.4 days after discovery of 2021wvw Supernova shown by white cross-hairs Measured magnitude +17.9 (linked with Detection Threshold = 30 with Inventory based on Detection Threshold 3)

Annotated CCD Image  (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-10-31 00:17 UT (#930135-39) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2021wvw (UGC 2605) on Supernovae 2021 Page >>

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NGC 1060 - Elliptical Galaxy, triplet with NGC 1057 & NGC 1061

NGC 1060 (Triangulum) Deep Sky Challenge Object, Ast.Now, Nov 2021. NGC 1060 (catalog mag +13.1), NGC 1057 (catalog mag +15.5) & NGC 1061 (catalog mag +16.1)   [ Deep Sky Challanges (Ast.Now) ] Other galaxies in field of view : NGC 1066 (catalog mag +13.8), NGC 1067 (catalog mag + 13.8), NGC 1062 (catalog mag +16.2),  PGC 10337 (catalog mag +16.8), PGC 1999925 (catalog mag +17.9), PGC 213075 (catalog mag +18.4), PGC 213076 (catalog mag ?),

Annotated CCD Image  (70% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-10-31 00:39 UT (#930142-46) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Negative CCD Image (70% size, square root scale) Image details as above

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M31 - Spiral Galaxy with Extragalactic Nova EGN 2021aceg

Nova 2021aceg in M31 (Andromeda) AT2021aceg (Type: EGN) discovered 2021-10-25.570 UT by XOSS Alias: PSP21ac, PNV J00473256+3938102  (Rochester Supernova site | Rochester EGN Page | Klaus Wenzel image )

Nova 2021aceg in M31 - 2021-10-31 (T+5.5d) Image below (2021-10-31.102) was taken 5.5 days after discovery of 2021aceg EGN is shown by white cross-hairs Measured magnitude +17.15 Object confirmed not to be a known foreground star using Aladin

Annotated CCD Image  (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-10-31 02:36 UT (#930169-73) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of Nova 2021aceg (M31) on M31 Novae Page >>

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NGC 9 - Spiral Galaxy with Type Ib Supernova 2021zju

NGC 9 with SN2021zju (Pegasus) SN 2021zju (Type: Ib) discovered 2021-09-24.483 UT by ATLAS Alias: ATLAS21bjbm, ZTF21acdxhuv  (Rochester Supernova site | Enrico Prosperi image )

Annotated CCD Image  (50% size, square root scale) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-10-31 02:57 UT (#930176-80) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 9 with SN2021zju - 2021-10-31 (T+36.6d) Image below (2021-10-31.117) was taken 36.6 days after discovery of 2021zju Supernova (faint) 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 2021-10-31 02:57 UT (#930176-80) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2021zju (NGC 9) on Supernovae 2021 Page >>

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4P/Faye - Comet (Attempted Sighting)

4P/Faye - Attempted Sighting (passing through Monoceros) Sun Distance 1.70 AU Earth Distance 1.02 AU (152.5 million km) Comet last observed in Mar 2007 No sign of comet at or near the expected position of comet indicated by white circle		C/2021 A1 (Leonard) - 2021-10-31, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 34.98 arcsec/hr, Dec -23.33 arcsec/hr) No indication of comet at expected position objects in image appear to all be stars visible in Aladin
Annotated CCD Image (50% size, square root scale) 6 x 30s exposure (average combine), 3x3 binning, C Filter 2021-10-31 03:33 UT (#930201-07) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		CCD Image (150% size, log scale, cropped) 6 x 30s exposure (average combine), 3x3 binning, C Filter 2021-10-31 03:33 UT (#930201-07) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Earlier Images of 4P/Faye on Comets 2007 Page >>

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C/2019 L3 (ATLAS) - Comet

C/2019 L3 (ATLAS) (passing through Lynx) Sun Distance 3.61 AU (approaching) Earth Distance 3.22 AU (481.1 million km)		C/2019 L3 (ATLAS)  - 2021-10-31, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 7.41 arcsec/hr, Dec -13.19 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-10-31 03:45 UT (#930212-14) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		CCD Image (100% size, log scale, cropped) 8 x 45s exposure (average combine), 3x3 binning, C Filter 2021-10-31 03:47 UT (#930212-19) 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 2021 Page >>

C/2019 L3 (ATLAS) Inverse Spectrum

C/2019 L3 (ATLAS)  - 2021-10-31

False Colour CCD Image (70% size, log scale) 8 x 45s exposure (average combine), 3x3 binning, C Filter 2021-10-31 03:47 UT (#930212-19) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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67P/Churyumov-Gerasimenko - Comet

67P/Churyumov-Gerasimenko (passing through Gemini) Sun Distance 1.21 AU (approaching) Earth Distance 0.42 AU (63.2 million km)		67P/Churyumov-Gerasimenko - 2021-10-31, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 152.98 arcsec/hr, Dec 9.70 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-10-31 04:04 UT (#930231-34) 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)  13 x 45s exposure (average combine), 3x3 binning, C Filter 2021-10-31 04:01 UT (#930222-36) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Images of 67P/Churyumov-Gerasimenko on Comets 2021 Page >>

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

67P/Churyumov-Gerasimenko - 2021-10-31

False Colour CCD Image (70% size, log scale)  13 x 45s exposure (average combine), 3x3 binning, C Filter 2021-10-31 04:01 UT (#930222-36) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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UGC 3873 - Spiral Galaxy with Type II Supernova 2021yok

UGC 3873 with SN2021yok (Gemini) SN 2021yok (Type: II) discovered 2021-09-10.577 UT by ATLAS Alias: ATLAS21bika, Gaia21ehd  (Rochester Supernova site | Odd Trondal image )

Annotated CCD Image  (50% size, square root scale) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-10-31 04:23 UT (#930240-43) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 3873 with SN2021yok - 2021-10-31 (T+50.6d) Image below (2021-10-31.175) was taken 50.6 days after discovery of 2021yok Supernova (faint) 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 2021-10-31 04:23 UT (#930240-43) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2021yok (UGC 3873) on Supernovae 2021 Page >>

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CGCG 178-036 - Spiral Galaxy (PGC 23044)

CGCG 178-036/  PGC 23044 (Gemini)

Annotated CCD Image  (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-10-31 04:44 UT (#930246-50) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

CGCG 178-036/  PGC 23044 - Detail

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

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C/2021 A1 (Leonard) - Comet

C/2021 A1 (Leonard) (passing through Ursa Major) Sun Distance 1.40 AU  (approaching) Earth Distance 1.59 AU (237.8 million km) Bright star in field of view is  HIP 57670 (mag + 5.73)		C/2021 A1 (Leonard) - 2021-10-31, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 48.68 arcsec/hr, Dec -11.87 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 3 x 60s exposure (average combine), 3x3 binning, C Filter 2021-10-31 05:26 UT (#930280-82) 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 60s exposure (average combine), 3x3 binning, C Filter 2021-10-31 05:29 UT (#930280-88) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Images of C/2021 A1 (Leonard) on Comets 2021 Page >>

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