David's Astronomy Pages CCD Images - Session 742 (2020-01-18)

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Images (S743)

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Session Notes

C/2017 T2 (PanStarrs) - Comet     3C 58 - Supernova Remnant (attempt)     Hickson 59 - Galaxy Group (IC 737 et al)     IC 4182 - Irregular Galaxy     NGC 185 (Local Group) - Elliptical Galaxy (Caldwell 18) NGC 718 - Spiral Galaxy, with LBV AT2019udc NGC 1964 - Spiral Galaxy (Herschel IV-21) NGC 4222 - Spiral Galaxy     Variable Stars (photometric monitoring)   - RX And, Z And, AM CVn, SY Cnc, R CrB, S Cyg, U Gem, AM Her, U Her, RZ LMi, FO Ori, DY Per, GK Per, RR Tau, SU Tau, ER UMa     Nearby Stars (astrometric monitoring)  - None

- All night session (8 hours total). Shutter closed at 04:34 after Job Queue hung. - Main aims of the session was to acquire a selection of targets, including variable stars, nearby stars and a few specially selected deep sky objects.     - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature:  -2°C (min) (Dew heaters on auto) - CCD Temperature:  -20°C  (57% av. power) - Notes from 2020-01-18 >>

C/2017 T2 (PanStarrs) - Comet

C/2017 T2 (PanStarrs) - 2020-01-19  (passing through Perseus) Sun Distance 2.14 AU Earth Distance 1.57 AU (234.8 million km)		C/2017 T2 (PanStarrs) - 2020-01-19, Detail Autoguided on an offset star using Lock Shift set at the comet's rate of motion (Ra -78.90, Dec 10.44 arcsec/hr)
CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2020-01-19 00:06 UT (#742098-99) 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 45s exposure (average combine), 3x3 binning, C Filter 2020-01-19 00:09 UT (#742098-106) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Images of C/2017 T2 (PanStarrs) on Comets 2019 Page

C/2017 T2 (PanStarrs)

False Colour CCD Image (70% size, log scale) 9 x 45s exposure (average combine), 3x3 binning, C Filter 2020-01-19 00:09 UT (#742098-106) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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3C 58 - Supernova Remnant (attempt)

3C 58 (Cassiopeia) Attempted image of supernova remnant 3C 58 (not visible)

CCD Image (50% size) 5 x 180s exposure (average combine), 3x3 binning, DB Filter 2020-01-18 23:14 UT (#742063-69) 12" LX200R (at f/10.4) + ST-10XME Attempted auto-guiding using TS 80mm APO, ZWO ASI178MC & PHD2

3C 58 Location White rectangle shows position of reference image White ellipse shows approximate position of 3C 58

Annotated CCD Image (50% size) Image details as above

3C 58 Region Image affected by wind / surface & jet stream, uneven guiding

CCD Image (85% size, cropped) Image details as above

3C 58 - Reference Image  (Credit: NASA/CXC/SAO) https://www.nasa.gov/chandra/multimedia/chandra-15th-anniversary-3c58.html

Reference Image rescaled to same scale as above image

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Hickson 59 - Galaxy Group (IC 737 et al)

Hickson 59 (Leo)

CCD Image (50% size, linear scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2020-01-19 02:20 UT (#742177-81) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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

Hickson 59 - Detail IC 737 (catalog mag +13.7), IC 736 / PGC 36853 (catalog mag +15.7),  PGC 36871 (catalog mag +15.9), PGC 36867  (catalog mag +16.3), PGC 36851 (catalog mag +17.2), PGC 1415034 (catalog mag +18.8)

Annotated CCD Image (100% size, square root scale, cropped) Image details as above

Negative CCD Image (100% size, square root scale, cropped) Image details as above

Hickson 59 - Earlier Image (2019-12-25)

Annotated CCD Image (100% size, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2019-12-25 02:10 UT (#732249-53) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Negative CCD Image (100% size, cropped) Image details as above

Hickson 59 - Earlier Image (2011)

Annotated CCD Image (cropped) 2 x 120 sec exposure (average combine), 3x3 binning, C Filter  2011-05-03 22:31 h UT  (#475064-65) 12" LX200R  (at f/9.7) + ST-10XME

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IC 4182 - Irregular Galaxy

IC 4182 (Canes Venatici) Member of M94 Galaxy Group

CCD Image (50% size, linear scale) 7 x 90s exposure (average combine), 3x3 binning, C Filter 2020-01-19 02:37 UT (#742185-91) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

IC 4182 - Detail

CCD Image (100% size, linear scale, cropped) Image details as above

Negative CCD Image (100% size, linear scale, cropped) Image details as above

IC 4182 - Earlier Image (2015)

CCD Image (50% size) 7 x 90s exposure (average combine), 3x3 binning, C Filter 2015-04-21 00:40 h UT (#585110-16) 12" LX200R  (at f/10.4) + ST-10XME

IC 4182 - Earlier Detail (2015)

Negative CCD Image (50% size) Image details as above

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NGC 185 (Local Group) - Elliptical Galaxy (Caldwell 18) - 2.3 mly

NGC 185 / Caldwell 18 (Cassiopeia) All frames badly affected by wind / poor seeing / jet stream

CCD Image (50% size) 6 x 180s exposure (average combine), 3x3 binning, DB Filter 2020-01-18 22:46 UT (#742053-58) 12" LX200R (at f/10.4) + ST-10XME Attempted auto-guide using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 185 - Earlier Image (2011)

CCD Image (50% size) 3 x 120s sec exposure (average combine), 3x3 binning, C Filter 2011-01-29 19:41 h UT (#451045-47) 12" LX200R  (at f/9.7) + ST-10XME

NGC 185 - Earlier Detail (2011)

CCD Image (100% size, cropped)Image details as above

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NGC 718 - Spiral Galaxy with LBV AT2019udc

NGC 718 (Pisces) No definate sign of LBV AT2019udc in new image below but it is affected by airmass effects & bright sky

CCD Image (100% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2020-01-18 23:32 UT (#742073-74) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 718 - Earlier Image (2019-11-18) NGC 718 with LBV AT2019udc discovered 2919/11/04.135 by DLT 40

Annotated CCD Image (100% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2019-11-18 20:24 UT (#723171-73) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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NGC 4222 - Spiral Galaxy

NGC 4222 (Coma Berenices) Flat Galaxy Atlas

CCD Image (50% size, linear scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2020-01-19 01:59 UT (#742168-72) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4222 - Detail

CCD Image (100% size, linear scale, cropped Image details as above

CCD Image (100% size, square root scale, cropped Image details as above

NGC 4222 - Earlier Image (2020-01-18 am)

CCD Image (100% size, linear scale, cropped 5 x 180s exposure (average combine), 3x3 binning, C Filter 2020-01-18 01:12 UT (#741206-10) 12" LX200R (at f/10.4) + ST-10XME (unguided)

NGC 4222 - Earlier Image (2019-11-19) (poor sky conditions, galaxy barely visible)

CCD Image (100% size, linear scale, cropped 5 x 180s exposure (average combine), 3x3 binning, C Filter 2019-11-19 05:30 UT (#723572-76) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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NGC 1964 - Spiral Galaxy (Herschel IV-21)

NGC 1964 / H IV-21 (Lepus) Dec -21° 56'. Altitude 10.8°, Airmass 5.3 Poor seeing / Poor Focus

CCD Image (50% size, linear scale) 6 x 120s exposure (average combine), 3x3 binning, C Filter 2020-01-18 22:09 UT (#742042-48) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 1964 / H IV-21 - Detail

CCD Image (100% size, log scale, cropped) Image details as above

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