David's Astronomy Pages CCD Images - Session 775 (2020-04-27)

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Images (S776)

Objects

Session Notes

IC 2740 - Spiral Galaxy, 1.44 Gly NGC 4546 - Elliptical Galaxy (UGCA 288, H I-160) NGC 4636 - Elliptical Galaxy, with Type Ia Supernova 2020ue NGC 4691 - Spiral Galaxy (UGCA 299) NGC 4902 - Spiral Galaxy (UGCA 315) NGC 4915 - Elliptical Galaxy (UGCA 318) NGC 4995 - Spiral Galaxy (UGCA 329, H I-42) NGC 4697 - Elliptical Galaxy (UGCA 300, Caldwell 52) IC 3870 - Elliptical Galaxy, 1.27 Gly UGC 9422 - Spiral Galaxy (PGC 52247) IC 1222 - Spiral Galaxy (ARP 73)  with SN 2020enm PGC 54559 - Spiral Galaxy (Hoag's Object) UGC 10528 - Spiral Galaxy (PGC 58896) with SN 2020ekk     Variable Stars (photometric monitoring)   - None     Nearby Stars (astrometric monitoring)  - Barnards Star

- All night session (5.4 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: 1.5°C (min) (Dew heaters on auto) - CCD Temperature:  -20°C  (63% av. power) - Notes from 2020-04-27 >>

IC 2740 - Spiral Galaxy, 1.44 Gly

IC 2740 (Leo) Distant Galaxy: Distance 1.44 Gyr, z=0.1108) IC 2740 (catalog mag +15.7) with adjacent galaxies :   IC 2748 (catalog mag +16.1),   IC 2747 (catalog mag ?),  IC 2743 (catalog mag ?)  PGC 1353599 (catalog mag +18.4)

Annotated CCD Image (50% size, square root scale) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2020-04-27 22:04 UT (#775033-36) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

IC 2740 - Detail

CCD Image (150% size, square root scale, cropped) Image details as above

Negative CCD Image (150% size, square root scale, cropped) Image details as above

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NGC 4546 - Elliptical Galaxy (UGCA 288, H I-160)

NGC 4546  (Virgo) Alias: UGCA 288, Herschel I-160 NGC 4546 (catalog mag +10.3) with adjacent galaxies :    PGC 41990 (catalog mag +15.7),    PGC 116821 (catalog mag +17.5), PGC 116823 (catalog mag +18.2)

Annotated CCD Image (50% size, log scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2020-04-27 22:24 UT (#775039-43) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4546 - Detail

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

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

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NGC 4636 - Elliptical Galaxy (H II 38), with Type Ia Supernova 2020ue

NGC 4636 with SN 2020ue (Virgo) SN 2020ue Type1a discovered 2020/01/12.722 by Koichi Itagaki  (Rochester Supernova site |  Discovey Image, K.Itagaki | SN 2020ue sub-page  |

NGC 4636 with SN 2020ue - 2020-04-27 (T+106.2d) Image below (2020-04-27.949) was taken 106.2 days after discovery of SN 2020ue Measured SN magnitude +15.85

Annotated CCD Image (100% size, log scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2020-04-27 22:47 UT (#775048-52) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2020ue (NGC 4636) on Supernovae 2020 Page >>

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NGC 4691 - Spiral Galaxy (UGCA 299)

NGC 4691 / UGCA 299 (Virgo) NGC 4691 / UGCA 299  (catalog mag +11.1)

CCD Image (50% size, log scale) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2020-04-27 23:10 UT (#775057-60) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4691 / UGCA 299 - Detail

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

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

False Colour CCD Image (100% size, log scale, cropped) Inverse Spectrum Colour Bar Image details as above

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NGC 4902 - Spiral Galaxy (UGCA 315)

NGC 4902 / UGCA 315 (Virgo)

CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2020-04-27 23:30 UT (#775064-68) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4902 / UGCA 315 and adjacent galaxies NGC 4902 / UGCA 315 (catalog mag +10.9), Unnamed (calibrated mag +15.7) PGC 924035 (catalog mag +16.9),  PGC 924586 (catalog mag +17.4)   PGC 924415 (catalog mag +18.7)

Annotated Negative CCD Image (50% size, square root scale) Image details as above

NGC 4902 / UGCA 315 - Detail

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

False Colour CCD Image (100% size, square root scale, cropped) Inverse Spectrum Colour Bar Image details as above

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NGC 4915 - Elliptical Galaxy (UGCA 318)

NGC 4915 / UGCA 318 (Virgo) NGC 4915 / UGCA 318 (catalog mag +12.1) with adjacent galaxies :    NGC 4918 (catalog mag +14.4),     PGC 1057500 (catalog mag +17.5), PGC 1055748 (catalog mag +17.7), PGC 1057794 (catalog mag +17.9),    PGC 1055856 (catalog mag +18.5),

Annotated CCD Image (50% size, log scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2020-04-27 23:53 UT (#775072-76) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4915 / UGCA 318 - Detail

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

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

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NGC 4995 - Spiral Galaxy (UGCA 329, H I-42)

NGC 4995  (Virgo) Alias : UGCA 329, Herschel I-42 NGC 4995 /  UGCA 329  (catalog mag +11.2) with adjacent galaxies :    PGC 1011507 (catalog mag +16.3),     PGC 1011579 (catalog mag +17.5), PGC 1012274 (catalog mag +17.9),  PGC 1012713 (catalog mag +18.0),

Annotated CCD Image (50% size, square root scale) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2020-04-28 00:18 UT (#775080-84) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4995 - Detail Bright star at top of image & casting glare down towards NGC 4995 is mag +8.1 star HIP 64210

CCD Image (100% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2020-04-28 00:18 UT (#775080-84) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 [ larger view, 125% ]

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

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NGC 4697 - Elliptical Galaxy (UGCA 300, Caldwell 52)

NGC 4697 (Virgo) Alias:   UGCA 300, Caldwell 52

CCD Image (50% size, log scale) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2020-04-28 00:39 UT (#775087-91) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4697  & Adjacent Galaxies NGC 4697 / UGCA 300  (catalog mag +10.4) with PGC 170203 (catalog mag +15.1),    PGC 1039472 (catalog mag +17.2),   PGC 1040005 (catalog mag +18.1)

Annotated CCD Image (50% size, log scale) Image details as above

NGC 4697 - Detail

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

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

False Colour CCD Image (100% size, log scale, cropped) Inverse Spectrum Colour Bar Image details as above

NGC 4697 - Earlier Image (2008)

CCD Image (100% size, linear scale) 4 x 120s exposure, 2x2 binning, C Filter 2008-01-1207:06 hUT (#252766-69) 8" LX200 Classic + ST-7E

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IC 3870 - Elliptical Galaxy, 1.27 Gly

IC 3870 (Coma Berenices) Distant Galaxy Distance 1.27 Gyr, z=0.0969 IC 3870 (catalog mag +15.5) with adjacent galaxies   IC 3866 (catalog mag +15.4),    PGC 1667323 (catalog mag +17.5), PGC 1667458 (catalog mag +17.7),  PGC 1668455 (catalog mag +17.9)

Annotated CCD Image (50% size, square root scale) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2020-04-28 01:01 UT (#775095-97) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

IC 3870  - Detail

Annotated CCD Image (150% size, square root scale, cropped) Image details as above

Negative CCD Image (150% size, square root scale, cropped) Image details as above

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UGC 9422 - Spiral Galaxy (PGC 52247)

UGC 9422  (Bootes) Flat Galaxy Atlas Object Alias :  PGC 52247 Glare at left of image is from mag +5.7 star HIP 71568 lying 1.75 arc min beyond CCD field of view ( Single frame image due to cloud. Reschedule target for future session with a 1.5' W offsest )

CCD Image (50% size, square root scale) 180s exposure (single frame), 3x3 binning, C Filter 2020-04-28 01:17 UT (#775101) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 9422  - Detail

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

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IC 1222 - Spiral Galaxy (ARP 73) with SN 2020enm

IC 1222 with SN 2020enm (Hercules) IC 1222 (catalog mag +13.4), aliases  ARP 73, PGC 58544 SN 2020enm  (Type Ia-99a SN) discovered 2020/03/16.913 by Xingming Observatory Sky Survey (XOSS)  (Rochester Supernova site |  Discovery Image |  mag +17.7 V at discovery )

IC 1222 with SN 2020enm - 2020-04-28 am (T+42.2d) Image (2020-04-28.074) taken 42.2 days after SN discovery. SN shown by white cross hairs. Measured Magnitude +17.5

Annotated CCD Image (100% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2020-04-28 01:47 UT (#775107-10) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2020enm (IC 1222) on Supernovae 2020 Page >>

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PGC 54559 - Spiral Galaxy (Hoag's Object)

PGC 54559 / Hoag's Object (Serpens) Ring Galaxy, J.Lowrey List..

Annotated CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2020-04-28 02:08 UT (#775113-17) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

PGC 54559  - Detail

Annotated CCD Image (125% size, square root scale, cropped) Image details as above

Negative CCD Image (125% size, square root scale, cropped) Image details as above

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UGC 10528 - Spiral Galaxy (PGC 58896) with SN 2020ekk

UGC 10528 with SN 2020ekk (Hercules) SN 2020ekk (Type II) discovered 2020/03/11.779 by Koichi Itagaki  (Rochester Supernova site |  Discovery Image (Mag +17.2) |  Marc Deldem Image )

UGC 10528 with SN 2020ekk - 2020-04-28 am (T+47.3d) Image below (2020-04-28.101) was taken 47.3 days after discovery of SN 2020ekk SN is shown by white cross hairs.   Estimated SN magnitude +16.8

Annotated CCD Image (100% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2020-04-28 02:26 UT (#775119-22) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 10528 with SN 2020ekk - Earlier Image 2020-03-20 (T+8.2d) Image below (2020-03-20.004) was taken 8.23 days after discovery of SN 2020ekk SN is shown by white cross hairs.   Estimated SN magnitude +16.2

Annotated CCD Image (100% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2020-03-20 00:06 UT (#763117-21) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2020ekk (UGC 10528) on Supernovae 2020 Page >>

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