David's Astronomy Pages Images - Session 1187 (2024-02-20)

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Images (S1188)

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Session Notes

32P/Comas Sola - Comet 62P/Tsuchinshan - Comet 103P/Hartley - Comet     Nova Per 2020 - Nova (V1112 Per)     AT 2023us - Transient AT 2023cub - Transient AT 2023aais - CV Type Transient AT 2024crd - Type Nova? Transient     2MFGC 08659 - Galaxy with Type Ia Supernova 2023xyr IC 1125 - Spiral Galaxy with Type Ia Supernova 2024jz     M101 - Spiral Galaxy with Type IIL Supernova 2023ixf MCG -1-33-30 - Irregular Galaxy with Type II Supernova 2024byg     NGC 3052 - Spiral Galaxy with Type II Supernova 2024chx NGC 3206 - Spiral Galaxy with Type IIn Supernova 2024bch NGC 3893 - Spiral Galaxy with LRN Type Transient AT 2023uhx NGC 4216 - Spiral Galaxy with Type Ia Supernova 2024gy NGC 6004 - Spiral Galaxy with Type II Supernova 2024cld     SN 2023nj - Type Ia Supernova (attempt)     Variable Stars (photometric monitoring) - RR Leo      Nearby Stars (astrometric monitoring) - Groombridge 34

- Attempted All Night Session (6.8 hrs) ended early by cloud in second part of night     - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 2°C (min) - CCD Temperature:   -20°C - Notes from 2024-02-20 >>     -

Observing Result

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32P/Comas Sola - Comet

32P/Comas Sola - 2024-02-20 (passing through Aries) Sun Distance 2.09 AU (receeding) Earth Distance 1.95 AU (291.1 million km)		32P/Comas Sola - 2024-02-20 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 59.99 arcsec/hr, Dec 19.32 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 2 x 90s exposure (average combine), 3x3 binning, Clear Filter 2024-02-20 23:57 UT (#1187100-01) 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) 5 x 90s exposure (average combine), 3x3 binning, Clear Filter 2024-02-21 00:01 UT (#1187100-04) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Images of 32P/Comas Sola on Comets 2023 Page >>
Images of 32P/Comas Sola on Comets 2024 Page >>

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62P/Tsuchinshan - Comet

62P/Tsuchinshan - 2024-02-21 (passing through Virgo) Sun Distance 1.44 AU (receeding) Earth Distance 0.52 AU (77.3 million km)		62P/Tsuchinshan - 2024-02-21 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -9.82 arcsec/hr, Dec 3.06 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 7 x 90s exposure (average combine), 3x3 binning, Clear Filter 2024-02-21 01:20 UT (#1187131-37) 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
62P/Tsuchinshan - 2024-02-21 Detail Light in top left corner is galaxy NGC 4608		62P/Tsuchinshan - 2024-02-21 Detail Light in top left corner is galaxy NGC 4608
Annotated CCD Image (50% size, log scale) 7 x 90s exposure (average combine), 3x3 binning, Clear Filter 2024-02-21 01:20 UT (#1187131-37) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		Annotated false-colour CCD Image (50% size, log scale) Inverse Spectrum Image details as left
Images of 62P/Tsuchinshan on Comets 2023 Page >>
Images of 62P/Tsuchinshan on Comets 2024 Page >>

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103P/Hartley - Comet

103P/Hartley - 2024-02-20 (passing through Monoceros) Sun Distance 1.95 AU AU (receeding) Earth Distance 1.07 AU (159.8 million km)		103P/Hartley - 2024-02-20  Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -7.16 arcsec/hr, Dec 36.41 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 3 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-02-20 21:33 UT (#1187037-39) 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) 9 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-02-20 21:37 UT (#1187037-45) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Images of 103P/Hartley on Comets 2023 Page >>
Images of 103P/Hartley on Comets 2024 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 - 2024-02-21 (T+1182.2d) Image below (2024-02-21.008) was taken 1182.2 days after discovery of nova Nova (brightening ?) is shown by white cross hairs.  Measured magnitude +16.36* (Clear Filter) * Measurement value is suspect

Annotated CCD Image (100% size, linear scale, cropped) 5 x 120s exposure (average combine), 3x3 binning, Clear Filter 2024-02-21 00:18 UT (#1187107-11) 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 2023us - Transient

AT 2023us (Hydra) AT 2023us (Type: unk) discovered 2023-01-16.937 UT by ATLAS Alias: ATLAS23avl Discovery Magnitude 16.47(cyan-ATLAS Filter) vs Previous Non-Detection Limiting Flux +19.5  ( TNS 2023us )

AT 2023us - 2024-02-20 (T+400.0d) Image below (2024-02-20.929) was taken 400.0 days after discovery of 2023us Position of reported transient (ambiguous object ?,  likely faded) is shown by white cross-hairs

Annotated CCD Image (100% size, linear scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-02-20 22:23 UT (#1187055-57) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

AT 2023us - Detail 2024-02-20 (T+400.0d) Position of reported transient (ambiguous object ?, likely faded) is shown by white cross-hairs

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

Images of AT 2023us on Transients 2023 Page >>

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AT 2023cub - Transient

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AT 2023aais - CV Type Transient

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AT 2024crd - Type Nova? Transient

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2MFGC 08659 - Galaxy with Type Ia Supernova 2023xyr

2MFGC 08659 with SN 2023xyr (Ursa Major) SN 2023xyr (Type: Ia) discovered 2023-11-17.580 UT by ASAS-SN Alias: ASASSN-23if Discovery Magnitude 16.9 (g-Sloan Filter) vs Prior Non-Detection Limiting Magnitude 18.2  ( TNS 2023xyr )

2MFGC 08659 - Galaxy 2MFGC 08659 / PGC 2269876  (catalog mag +16.7 ) with other galaxies in FOV are  PGC 33643 (catalog mag +15.3) PGC 213784 (catalog mag +16.0) Bright start in lower left of image is  PPM 52253 (mag +9.9)

Annotated CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-02-20 23:15 UT (#1187075-79) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

2MFGC 08659 with SN 2023xyr - 2024-02-20 (T+95.4d) Image below (2024-02-20.963) was taken 95.4 days after discovery of 2023xyr Position of reported SN (distinct) is indicated by white cross-hairs. Measured Magnitude (nucleus + SN)  +15.20 (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-02-20 23:15 UT (#1187075-79) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023xyr (in 2MFGC 08659) on Supernova 2023 Page >>

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IC 1125 - Spiral Galaxy with Type Ia Supernova 2024jz

IC 1125 with SN 2024jz (Serpens) SN 2024jz (Type: Ia) discovered 2024-01-05.641 UT by ATLAS Alias: ATLAS24ahj Discovery Magnitude 17.73  (orange-ATLAS Filter)  ( TNS 2024jz )

IC 1125 with SN 2024jz - 2024-02-21 (T+46.4d) Image below (2024-02-21.085) was taken 46.4 days after discovery of 2024jz Position of reported supernova (fading) is indicated by white cross-hairs. Measured Magnitude +15.75 (Clear Filter) Poor quality image (due to passing cloud / poor sky transparency, moonlit sky)

Annotated CCD Image (150% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-02-21 02:07 UT (#1187155-56) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2024jz (in IC 1125) on Supernova 2024 Page >>

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M31 - Spiral Galaxy with EGN Transient AT 2024ccb

M31 with AT 2024ccb (Andromeda) AT 2024ccb (Type: EGN) discovered 2024-02-10.594 UT by XOSS Alias: PSP24L, PNV J00425721+4119038, ATLAS24chb Discovery Mag 17.74 (Clear Filter)  Low S/N spectrum resembles that of a Nova in M31 as already reported by Reguitti et al. (AstroNote 2024-50) ( TNS 2024ccb )

Nova M31 AT 2024ccb - 2024-02-20 (T+10.4d) Image below (2024-02-20.983) was taken 10.4 days after discovery of 2024ccb Position of reported transient (very faint, barely visible) is shown by white cross-hairs Estimated Magnitude +16.0 to +16.5 (Clear Filter)

Annotated CCD Image (100% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-02-20 23:44 UT (#1187093-97) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of Nova AT 2024ccb (in M31) on Transients 2024 Page >>

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M101 - Spiral Galaxy with Type IIL Supernova 2023ixf

M101 with SN 2023ixf (Ursa Major) SN 2023ixf (Type: IIL) discovered 2023-05-19.727 UT by Koichi Itagaki Alias: ZTF23aaklqou, AT2023iyi, AT2023jgd, AT2023jfz, PSN J14033858+5418421, PS23dij Discoverer Mag 14.9 (Clear filter)  ( Rochester Supernova site | TNS 2023ixf ) SN 2023ixf (Type: IIL) discovered 2023-05-19.727 UT by Koichi Itagaki at Mag 14.9 is located near M101's prominant star-forming region NGC 5461.  The supernova resulted from a exploding red supergiant and lies just 21 million light years away.  It's the closest core-collapse supernova to us since SN 1993J which lit up M81 (some 12 million ly away) in Spring 1993. The SN is designated of type II-L (L for 'linear') , which is characterised by a rapid rise to maximum brightness  followed by a slow and gradual decrease, that is thought to be brought about by ejection of the dead stars' outer hydrogen shell. (from Article "Summer's Super Supernova", AstNow Magazine, Sep 2023, pp 36-39)

M101 with SN 2023ixf - 2024-02-21 (T+277.4d) Image below (2024-02-21.115) was taken 277.4 days after discovery of 2023ixf Position of supernova (faint but slight brightening ?) is shown by white cross-hairs Measured Magnitude +15.28 (Clear Filter)

Annotated CCD Image (100% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-02-21 02:49 UT (#1187166-67) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023ixf (M101) on Supernova 2023 Page

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MCG -1-33-30 - Irregular Galaxy with Type II Supernova 2024byg

MCG -1-33-30 with SN 2024byg (Virgo) SN 2024byg (Type: II) discovered 2024-02-08.550 UT by ASAS-SN Alias: ASASSN-24ax Discovery Magnitude 16.3 ( Clear Filter)  ( TNS 2024byg )

MCG -1-33-30 with SN 2024byg - 2024-02-21 (T+12.5d) Image below (2024-02-21.035) was taken 12.5 days after discovery of 2024byg Position of reported SN (faint but distinct) is indicated by white cross-hairs. Measured Magnitude +15.90  (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-02-21 01:00 UT (#1187122-26) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2024byg (in MCG -1-33-30) on Supernova 2024 Page >>

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NGC 3052 - Spiral Galaxy with Type II Supernova 2024chx

NGC 3052 with SN 2024chx (Hydra) SN 2024chx (Type: II) discovered 2024-02-12.256 UT by ZTF Alias: ZTF24aaemydm Discovery Magnitude 16.3 ( Clear Filter)  ( TNS 2024chx )

NGC 3052 - Spiral Galaxy with SN 2024chx (T+8.8d

Annotated CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-02-21 00:37 UT (#1187114-18) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 3052 with SN 2024chx - 2024-02-21 (T+8.8d) Image below (2024-02-21.020) was taken 8.8 days after discovery of 2024chx Position of reported SN (faint but distinct) is indicated by white cross-hairs. Measured Magnitude +15.94  (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-02-21 00:37 UT (#1187114-18) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2024chx (in NGC 3052) on Supernova 2024 Page >>

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NGC 3206 - Spiral Galaxy with Type IIn Supernova 2024bch

NGC 3206 with SN 2024bch (Ursa Major) SN 2024bch (Type: IIn) discovered 2024-01-29.252 UT by Patrick Wiggins Alias: ATLAS24bmx, PS24aap, GOTO24hm Discovery Magnitude 15.5 ( Clear Filter)  ( TNS 2024bch )

NGC 3206 with SN 2024bch - 2024-02-20 (T+22.7d) Image below (2024-02-20.906) was taken 22.7 days after discovery of 2024bch Position of reported SN (relatively bright & distinct) is indicated by white cross-hairs. Measured Magnitude +13.41 (Clear Filter)

Annotated CCD Image (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-02-20 21:54 UT (#1187048-52) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2024bch (in NGC 3206) on Supernova 2024 Page >>

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NGC 3893 - Spiral Galaxy with LRN Type Transient AT 2023uhx

NGC 3893 with AT 2023uhx (Ursa Major) AT 2023uhx (Type: LRN) discovered 2023-10-07.816 UT by Koichi Itagaki Discovery magnitude 17.2 (Clear filter) vs DSS Archival Image  Luminous Red Nova based on its peak luminosity, and narrow Balmer and Fe II emission lines.  ( TNS 2023uhx)

NGC 3893 with AT 2023uhx - 2024-02-20 (T+136.0d) Image below (2024-02-20.858) was taken 136.0 days after discovery of 2023uhx Position of reported transient (very faint) is shown by white cross-hairs Measured Magnitude +18.48 (Clear Filter)

Annotated CCD Image (125% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-02-20 20:42 UT (#1187014-17) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023uhx (NGC 3893) on Transients 2023 Page >>

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NGC 4216 - Spiral Galaxy with Type Ia Supernova 2024gy

NGC 4216 with SN 2024gy (Virgo) SN 2024gy (Type: Ia, z=0.001183) discovered 2024-01-04.678 UT by Koichi Itagaki Alias: AT2023acjv, AT2024ix, ASASSN-24ac, PSN J12155131+1306561 Discovery Magnitude 16.3 ( Clear Filter)  ( TNS 2024gy )

NGC 4216 with SN 2024gy - 2024-02-20 (T+47.2d) Image below (2024-02-20.873) was taken 47.2 days after discovery of 2024gy Position of reported SN (distinct, fading) is indicated by white cross-hairs. Measured Magnitude +13.93 (Clear Filter)

Annotated CCD Image (100% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-02-20 21:06 UT (#1187023-27) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2024gy (in NGC 4216) on Supernova 2024 Page >>

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NGC 6004 - Spiral Galaxy with Type II Supernova 2024cld

NGC 6004 with SN 2024cld (Serpens) SN 2024cld (Type: II) discovered 2024-02-13.228 UT by GOTO Alias: GOTO24ql, ATLAS24clv Discovery Magnitude 17.97 ( Clear Filter) Spectrum contains clear narrow H Balmer and He II 4686A flash ionisation features typically seen in young type II SNe  ( TNS 2024cld )

NGC 6004 with SN 2024cld - 2024-02-21 (T+7.9d) Image below (2024-02-21.094) was taken 7.9 days after discovery of 2024cld Position of reported SN (distinct, & brightening ?) is indicated by white cross-hairs. Measured Magnitude +15.14 (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-02-21 02:18 UT (#1187159-60) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2024cld (in NGC 6004) on Supernova 2024 Page >>

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SN 2023nj - Type Ia Supernova (attempted observation)

SN 2023nj (Hydra) SN 2023nj (Type: Ia) discovered 2023-01-13.380 UT by ZTF Alias: ZTF23aaajtan Discovery Magnitude 19.33 ( Clear Filter)  ( TNS 2023nj )

SN 2023nj - 2024-02-20 (T+403.6d) Image below (2024-02-20.940) was taken 403.6 days after discovery of 2023nj Position of earlier SN (faded & no longer visible) is indicated by white cross-hairs. Non-Detection Limiting Magnitude +18.5 (Clear Filter)

Annotated CCD Image (100% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-02-20 22:42 UT (#1187060-64) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023nj on Supernova 2023 Page >>

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