David's Astronomy Pages CCD Images - Session 754 (2020-02-23)

Images (S753)

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Images (S755)

Objects	Session Notes
155P/Shoemaker - Comet C/2019 Y4 (ATLAS)  - Comet     Variable Stars (photometric monitoring)   - RX And,  GK Per, RR Tau     Nearby Stars (astrometric monitoring)  - LAMOST-HVS1, Scholz's Star	- Short session (1.9 hours total). - Main aims of the session was to  acquire images of a selection of deep sky and comet objects     - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature:  0.5°C (min) (Dew heaters on auto) - CCD Temperature:  -20°C  (57% av. power) - Notes from 2020-02-23 >>

155P/Shoemaker - Comet

155P/Shoemaker - 2020-02-23 (passing through Leo) Sun Distance 2.10 AU Earth Distance 1.13 AU (168.9 million km)		155P/Shoemaker  - 2020-02-23, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -20.53 arcsec/hr, Dec 14.30 arcsec/hr)
Annotated CCD Image (50% size, linear scale) 3 x 60s exposure (average combine), 3x3 binning, C Filter 2020-02-23 22:21 UT (#754040-42) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		CCD Image (100% size, linear scale, cropped) 9 x 60s exposure (average combine), 3x3 binning, C Filter 2020-02-23 22:24 UT (#754040-48) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Images of 155P/Shoemaker on Comets 2020 Page >>

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C/2019 Y4 (ATLAS)  - Comet

C/2019 Y4 (ATLAS) - 2020-02-23 (passing through Ursa Major) Sun Distance 2.10 AU Earth Distance 1.29 AU (193.2 million km)		C/2019 Y4 (ATLAS)  - 2020-02-23, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -92.26  arcsec/hr, Dec 89.85 arcsec/hr)
CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2020-02-23 21:38 UT (#754012-14) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		CCD Image (100% size, log scale, cropped) 15 x 45s exposure (average combine), 3x3 binning, C Filter 2020-02-23 21:43 UT (#754012-26) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Images of C/2019 Y4 (ATLAS) on Comets 2020 Page >>

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