David's Astronomy Pages Images - Session 1132 (2023-08-20)

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Images (S1133)

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Session Notes

2P/Encke - Comet  (Attempt) 12P/Pons-Brooks - Comet 237P/LINEAR - Comet C/2019 T4 (ATLAS) - Comet C/2020 R7 (ATLAS) - Comet C/2023 E1 (ATLAS) - Comet     IC 1797 - Spiral Galaxy with Type Ia Supernova 2023nnz M33 - Spiral Galaxy with Transient AT 2023nou NGC 2326 - Spiral Galaxy with Type II Supernova 2023pgb       - LEDA 1488100 with SN 2023olz  attempt failed (due to cloud / bad guiding)     Variable Stars (photometric monitoring) - RX And, BL Lac      Nearby Stars (astrometric monitoring) -  HH And, Barnards Star, Teegardens Star   -

- Attempted all night session (xx hrs),  ended early due to cloud.     - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: x°C (min) - CCD Temperature:  -10° C - Notes from 2023-08-20 >>     -

2P/Encke - Comet (Attempted Observation)

2P/Encke - 2023-08-21 (passing through Auriga) Sun Distance 1.33 AU Earth Distance 1.30 AU (195.1 million km) Expected position of comet (not visible) is shown by white circle		2P/Encke - 2023-08-21, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 187.55 arcsec/hr, Dec 25.62 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 7 x 60s exposure (average combine), 3x3 binning, Clear Filter 2023-08-21 02:43 UT (#1132150-56) 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) 7 x 60s exposure (average combine), 3x3 binning, Clear Filter 2023-08-21 02:43 UT (#1132150-56) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Images of 2P/Encke on Comets 2023 Page >> See also Earlier Image(s) of 2P/Encke from 2013 >>

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12P/Pons-Brooks - Comet

12P/Pons-Brooks - 2023-08-20 (passing through Draco) Sun Distance 3.56 AU (approqching) Earth Distance 3.35 AU (500.7 million km)		12P/Pons-Brooks - 2023-08-20 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -38.11 arcsec/hr, Dec -19.68 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 4 x 60s exposure (average combine), 3x3 binning, Clear Filter 2023-08-20 23:40 UT (#1132054-57) 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) 4 x 60s exposure (average combine), 3x3 binning, Clear Filter 2023-08-20 23:40 UT (#1132054-57) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Images of 12P/Pons-Brooks on Comets 2023 Page >>

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237P/LINEAR - Comet

237P/LINEAR - 2023-08-21 (passing through Aquila) Sun Distance 2.13 AU Earth Distance 1.25 AU (187.5 million km)		237P/LINEAR) - 2023-08-21 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -1.18 arcsec/hr, Dec -8.59 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 9 x 60s exposure (average combine), 3x3 binning, Clear Filter 2023-08-21 00:05 UT (#1132081-89) 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 2023-08-21 00:05 UT (#1132081-89) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Images of 237P/LINEAR on Comets 2023 Page >>

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C/2019 T4 (ATLAS) - Comet

C/2019 T4 (ATLAS) - 2023-08-20 (passing through Serpens) Sun Distance 5.54 AU (receeding) Earth Distance 5.67 AU (848.0 million km)		C/2019 T4 (ATLAS) - 2023-08-20 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 16.16 arcsec/hr, Dec -9.37 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 3 x 60s exposure (average combine), 3x3 binning, Clear Filter 2023-08-20 22:25 UT (#1132022-24) 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) 4 x 60s exposure (average combine), 3x3 binning, Clear Filter 2023-08-20 22:25 UT (#1132022-25) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Images of C/2019 T4 (ATLAS) on Comets 2023 Page >>

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C/2020 R7 (ATLAS) - Comet

C/2020 R7 (ATLAS) - 2023-08-20  (passing through Corona Borealis) Sun Distance 4.39 AU Earth Distance 4.54 AU (678.9 million km)		C/2020 R7 (ATLAS) - 2023-08-20 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -4.36 arcsec/hr, Dec -10.33 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 4 x 60s exposure (average combine), 3x3 binning, Clear Filter 2023-08-20 22:42 UT (#1132031-34) 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) 4 x 60s exposure (average combine), 3x3 binning, Clear Filter 2023-08-20 22:42 UT (#1132031-34) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Images of C/2020 R7 (ATLAS) on Comets 2023 Page >>

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C/2023 E1 (ATLAS) - Comet

C/2023 E1 (ATLAS) - 2023-08-21 am (passing through Cygnus) Sun Distance 1.31 AU (receeding) Earth Distance 0.38 AU (56.4 million km)		C/2023 E1 (ATLAS) 2023-08-21 am, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 53.77 arcsec/hr, Dec -320.17 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 45s exposure (single frame), 3x3 binning, Clear Filter 2023-08-21 00:16 UT (#1132091) 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) 15 x 45s exposure (average combine), 3x3 binning, Clear Filter 2023-08-21 00:23 UT (#1132091-105) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Images of C/2023 E1 (ATLAS) on Comets 2023 Page >>

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IC 1797 - Spiral Galaxy with Type Ia Supernova 2023nnz

IC 1797 with SN 2023nnz (Aries) SN 2023nnz (Type: Ia) discovered 2023-07-20.592 UT by ATLAS Alias: ATLAS23pes Discovery Magnitude 18.07 ( cyan ATLAS)  ( TNS 2023nnz )

IC 1797 with SN 2023nnz - 2023-08-21 (T+31.5d) Image below (2023-08-21.042) was taken 31.5 days after discovery of 2023nnz Position of reported transient (not distinguishable) is indicated by white cross-hairs. Measured Magnitude +14.90 (nucleus + ? SN)

Annotated CCD Image (175% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-08-21 01:10 UT (#1132115-19) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023nnz (in IC 1797) on Supernova 2023 Page >>

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M33 - Spiral Galaxy with Transient AT 2023nou

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NGC 2326 - Spiral Galaxy with Transient AT 2023pgb

NGC 2326 with SN 2023pgb (Lynx) SN 2023pgb (Type: II) discovered 2023-08-12.496 UT by ZTF Alias: ZTF23aaxdfya Discovery Magnitude 17.44 ( r-ZTF)  ( TNS 2023pgb )

NGC 2326 with SN 2023pgb - 2023-08-20 (T+8.5d) Image below (2023-08-20.958) was taken 8.5 days after discovery of 2023pgb Position of reported SN (distinct) is indicated by white cross-hairs. Measured Magnitude ? Poor quakity image due to poor sky  transparency/cloud / single image

Annotated CCD Image (150% size, square root scale, cropped) 180s exposure (single frame), 3x3 binning, Clear Filter 2023-08-20 22:59 UT (#1132041) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023nnz (in NGC 2326) on Supernova 2023 Page >>

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