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Images (S1093) |
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Images (S1095) |
Objects Session Notes
29P/Schwassmann-Wachmann - Comet AT 2023nf - CV Type Transient IC 418 - Planetary Nebula (Raspberry Nebula) NGC 2281 - Open Cluster (H VIII-71) NGC 2283 - Spiral Galaxy with Type II Supernova 2023axu (Attempt) Variable Stars (photometric monitoring) - None Nearby Stars (astrometric monitoring) - None
- Short late night session (1.3 hours) ended early due to developing high wind. - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 3.5°C (min) - CCD Temperature: -20°C - Notes from 2023-01-29 >>
29P/Schwassmann-Wachmann - 2023-01-29 (passing through Auriga) Sun Distance 6.07 AU Earth Distance 5.23 AU (782.7 million km) |
29P/Schwassmann-Wachmann - 2023-01-29 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -14.37 arcsec/hr, Dec -2.60 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale) 3 x 60s exposure (average combine), 3x3 binning, Clear Filter 2023-01-29 22:19 UT (#1094019-21) 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) 3 x 60s exposure (average combine), 3x3 binning, Clear Filter 2023-01-29 22:19 UT (#1094019-21) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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Images of 29P/Schwassmann-Wachmann on Comets 2023 Page >> |
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AT 2023nf (Gemini) |
AT 2023nf - 2023-01-29 (T+15.3d) Image below (2023-01-29.935) was taken 15.3 days after discovery of 2023nf Position of reported transient (faint) is shown by white cross-hairs Measured magnitude +15.52 |
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Annotated CCD Image (100% size, linear scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-01-29 22:35 UT (#1094024-28) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Images of AT 2023nf on Transients 2023 Page >> |
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IC 418 (Lepus)
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Annotated CCD Image (50% size, linear scale) 5 x 30s exposure (average combine), 3x3 binning, Clear Filter 2023-01-29 21:49 UT (#1094005-09) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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Annotated CCD Image (150% size, log scale, cropped) Image details as above |
IC 418 Spectra |
CCD Image (100% size, square root scale, rotated, cropped) 5 x 60s exposure (average combine), 2x2 binning, S Filter 2023-01-29 21:54 UT (#1094010-14) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
IC 418 - Earlier Image (2007) |
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Annotated CCD Image (50% size, insert 250% size) |
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NGC 2281 \ H VIII-71 (Auriga) |
Colour CMOS Image (16% size, asinh stretched) 20 x 30s exposure (stacked), 1x1 binning, gain 375 2023-01-18 23:07 UT (#23_07_21) TS 80mm APO, ZWO ASI178MC & PHD2 Auto-guided using 12" LX200R (at f/10.4) + ST-10XME Frames acquired using SharpCap Processed & displayed using SiriL 1.0.6 |
NGC 2281 - Detail |
Colour CMOS Image (32% size, asinh stretched, cropped) Image details as above |
NGC 2281 - Detail Colour CMOS Image scaled & cropped to match Feb 2019 CCD Image (see bottom-most image) |
Colour CMOS Image (53% size, asinh stretched, cropped) Image details as above |
NGC 2281 - Earlier CCD Image (Feb 2019) |
CCD Image (70% size) 6 x 30s exposure (average combine), 3x3 binning, C Filter 2019-02-01 01:12 UT (#654371-76) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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NGC 2283 with SN 2023axu (Canis Major) |
NGC 2283 with SN 2023axu - 2023-01-29 (T+1.8d) Image below (2023-01-29.949) was taken 1.8 days after discovery of 2023axu Position of reported transient (very faint / not visible) is shown by white cross-hairs Poor quality image (poor transparency, sky ? or optics ?) |
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Annotated CCD Image (125% size, square root scale, cropped) 180s exposure (single frame), 3x3 binning, Clear Filter 2023-01-29 22:46 UT (#1094032) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Images of SN 2023axu (NGC 2283) on Supernova 2023 Page >> |
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This Web Page: | Images - Session 1094 (2022-01-29) |
Last Updated : | 2024-06-17 |
Site Owner : | David Richards |
Home Page : | David's Astronomy Web Site |