David's Astronomy Pages CCD Images - Session 688 (2019-09-01)

Images (S687)

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Images (S689)

Objects

Session Notes

NGC 5676 - Spiral Galaxy (H I-189, LGG 384 Member) Abell 45 - Planetary Nebula (attempt) NGC 6749 - Globular Cluster Pal 11 - Globular Cluster NGC 5631 - Galaxy NGC 5965 - Spiral Galaxy NGC 5981 - Spiral Galaxy C/2018 W2 (Africano) - Comet NGC 2820 - Spiral Galaxy     Variable Stars (photometric monitoring)   - RX And, Z And, CI Cy, SS Cyg, U Her, BL Lac, CY Lyr, FG Sge, V Sge, WZ Sge     Nearby Stars (astrometric monitoring)  - 61 Cyg, Groombridge 34, EV Lac

- Full night session,  Duration 5.3 hr Session operated in fully automated mode without any interventions and with limited monitoring - Main aim of the session was a full night of general observing with a mix of variable stars, nearby stars, comets and deep sky targets.     - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature:  Falling  to 3.5°C (min) Outdoors 2.5°C (min) (Dew heaters on manual ) - CCD Temperature:  -15°C / -20°C  (64% / 75% av. power) - Notes from 2019-09-01 >>

NGC 5676 - Spiral Galaxy (Herschel I-189, LGG 384 Member)

NGC 5676 / Herschel I-189 (Bootes)

CCD Image (50% size, log scale) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2019-09-01 21:38 UT (#688062-63) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 5676 - detail

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

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

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

NGC 5676 - Earlier Detail (2018-09-08)

Negative CCD Image (100% size, linear scale, cropped) 5 x 120 sec exposure (average combine), 3x3 binning, C Filter 2018-09-08 20:46 UT (#627085-89) 12" LX200R  (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 5676 / Herschel I-189 (Bootes)

CCD Image (50% size)

NGC 5676 - detail

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

NGC 5676 - Earlier Image (2018-09-04)

Annotated CCD Image (100% size, cropped) 3 x 120 sec exposure (average combine), 3x3 binning, C Filter 2018-09-04 20:45 UT (#626003-11) 12" LX200R  (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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Abell 45 - Planetary Nebula (attempt)

Abell 45 (Scutum) Ast. Now Challenge Object,  Jul 2016 No sign of Pl.Neb in this image (total exposure time 5 mins) Expected position of Abell 45 is shown by white circle

Annotated CCD Image (50% size) 5 x 60s exposure (average combine), 3x3 binning, C Filter 2019-09-01 23:00 UT (#688118-22) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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NGC 6749 - Globular Cluster

NGC 6749 (Aquila)

CCD Image (70% size, square root scale) 4 x 60s exposure (average combine), 3x3 binning, C Filter 2019-09-01 23:14 UT (#688128-34) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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Pal 11 - Globular Cluster

Pal 11 (Aquila)

CCD Image (50% size, linear scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2019-09-01 23:27 UT (#688139-41) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Pal 11- Detail

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

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NGC 5631 - Spiral Galaxy

NGC 5631 \ H I-236 (Ursa Major)

CCD Image (50% size, log scale) 4 x 120s exposure (average combine), 3x3 binning, C Filter 2019-09-02 00:16 UT (#688165-68) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 5631 - Detail Whilst NGC 5631 is catalogued as a spiral galaxy it looks more like an elliptical galaxy to me.

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

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NGC 5965 - Spiral Galaxy

NGC 5965 (Draco) Flat Galaxy Atlas Object

CCD Image (50% size, linear scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2019-09-02 00:34 UT (#688171-75) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 5965 - Detail

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

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

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NGC 5981 - Spiral Galaxy

NGC 5981 (Draco) Flat Galaxy Atlas Object

Annotated CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2019-09-02 00:54 UT (#688178-82) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 5981 - Detail

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

NGC 5981 - Earlier Image (2010-08-26)

CCD Image (150% size, linear scale, cropped) 3 x 90s exposure (average combine), 3x3 binning, C Filter 2010-08-26 22:28hUT (#425105-07) 12" LX200R  (at f/9.7) + ST-10XME

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C/2018 W2 (Africano) - Comet

C/2018 W2 (Africano) (passing through Perseus) Sun Distance 1.46 AU Earth Distance 0.95 AU (141.7 million km) Video sequence shows motion of comet against background stars but also shows an image quaility issue with rain drop like stars (see Investigation : Image Quality Issue - C/2018 W2 (Africano)

Animated CCD Image (100% size, linear scale, cropped) 9 x 45s exposure, 3x3 binning, C Filter 2019-09-02 01:12 UT (#688185-93) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

C/2018 W2 (Africano) (passing through Perseus) Sun Distance 1.46 AU Earth Distance 0.95 AU (141.7 million km)		C/2018 W2 (Africano) - Detail Frames aligned on comet (stars appear trailed due to movement of comet and somewhat bloated due to an image quality issue)
CCD Image (50% size) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2019-09-02 01:09 UT (#688185-87) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		CCD Image (100% size, square root scale, cropped) 9 x 45s exposure, 3x3 binning, C Filter 2019-09-02 01:12 UT (#688185-93) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
More Images of C/2018 W2 (Africano)

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NGC 2820 - Spiral Galaxy

NGC 2820 (Ursa Major) Flat Galaxy Atlas Object

Annotated CCD Image (50% size, linear scale) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2019-09-02 01:37 UT (#688205-08) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 2820 - Detail

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

NGC 2820 & Adjacent Galaxies  NGC 2820 (catalog mag +13.3),  NGC 2814 (catalog mag +14.3), IC 2458 (catalog mag +14.5)

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

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