David's Astronomy - Images 2023-04-21 (S01117)

David's Astronomy Pages
Images - Session 1117 (2023-04-21)

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Objects Session Notes

IC 4305 - Elliptical Galaxy with Type Ia Supernova 2023edc

NGC 2163 - Bright Nebula (Hidden Treasures 35)

NGC 4611 - Spiral Galaxy with Type Ia Supernova 2023dtz

NGC 4995 - Spiral Galaxy with Type II Supernova 2023gfo

UGC 4025 - Spiral Galaxy with Type Ia Supernova 2023boc

UGC 4269 - Spiral Galaxy with Type Ia-91T Supernova 2023dxb

UGC 5276 - Spiral Galaxy with Type Ia Supernova 2023cxk

UGC 6674 - Spiral Galaxy with Type Ib Supernova 2023bvi

Variable Stars (photometric monitoring)

- None



Nearby Stars (astrometric monitoring)

- None



- Attempted all night session (3.3 hours). Interrupted by cloud and eventually ended early by cloud

- 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 2023-04-21 >>

- Aurora Images/Video from 2023-04-21 >>

- Aurora Images/Video from 2023-04-23 >>

IC 4305 - Elliptical Galaxy with Type Ia Supernova 2023edc

IC 4305 with SN 2023edc (Canes Venatici)
SN 2023edc (Type: Ia) discovered 2023-03-28.518 UT by PS1
Alias: PS23bcb
Discovery Mag 18.12 (w-PI Filter)
( Rochester Supernova site | TNS 2023edc )

IC 4305 with SN 2023edc - 2023-04-22 (T+24.5d)
Image below (2023-04-22.008) was taken 24.5 days after discovery of 2023edc
Position of reported SN (faint / indistinct) is shown by white cross-hairs
Poor quality image (single frame, poor sky transparency)

Annotated CCD Image (150% size, square root scale, cropped)
180s exposure (single frame), 3x3 binning, Clear Filter
2023-04-22 00:11 UT (#1117055)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023edc (IC 4305) on Supernova 2023 Page >>

NGC 2163 - Bright Nebula (Hidden Treasures 35)

NGC 2163 (Orion)
Alias: Hidden Treasures 35
[ Hidden Treasures ] [ Diffuse Nebula ]

Annotated CCD Image (50% size, square root scale)
7 x 60s exposure (average combine), 3x3 binning, Clear Filter
2023-04-21 21:28 UT (#1117005-11)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 2163 - Detail

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

NGC 4611 - Spiral Galaxy with Type Ia Supernova 2023dtz

NGC 4611 with SN 2023dtz (Coma Berenices)
SN 2023dtz (Type: Ia) discovered 2023-03-21.514 UT by ATLAS
Alias: ATLAS23eey
Discovery Magnitude 18.13 (orange-ATLAS Filter)
( TNS 2023dtz )

NGC 4611 with SN 2023dtz - 2023-04-21 (T+31.5d)
Image below (2023-04-21.994) was taken 31.5 days after discovery of 2023dtz
Measured magnitude +15.16

Annotated CCD Image (150% size, square root scale, cropped)
2 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-04-21 23:55 UT (#1117048-49)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023dtz (NGC 4611) on Supernova 2023 Page >>

NGC 4995 - Spiral Galaxy with Type II Supernova 2023gfo

NGC 4995 with SN 2023gfo (Virgo)
SN 2023gfo (Type: II) discovered 2023-04-20.209 UT by ATLAS
Alias: ATLAS23ioa
Discovery Magnitude 16.19 (cyan-ATLAS Filter)
( TNS 2023gfo )

NGC 4995 - Spiral Galaxy with SN 2023gfo (T+1.8d)
Alias: UGCA 329, H I-42
Bright star in upper part of FOV is HIP 64210 (catalog mag +8.18)
Other small galaxy in FOV is PGC 1011507 (catalog mag +16.3)
[ UGCA Galaxies ] [ Herschel 400 Objects ]

Annotated CCD Image (50% size, square root scale)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-04-21 23:17 UT (#1117035-38)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4995 with SN 2023gfo - Detail (T+1.8d)
Position of reported SN (distinct) is shown by white cross-hairs
Adjacent faint galaxy is PGC 1012245 (catalog mag +17.2)
Vertical band is a light artifact from bright star HIP 64210

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

NGC 4995 with AT 2023gfo - 2023-04-21 (T+1.8d)
Image below (2023-04-21.965) was taken 1.8 days after discovery of 2023gfo
Position of reported SN (distinct) is shown by white cross-hairs
Measured Magnitude +15.00

Annotated CCD Image (125% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-04-21 23:17 UT (#1117035-38)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4995 - Earlier Image (Pre-SN)

CCD Image (125% 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

Images of SN 2023gfo (NGC 4995) on Supernova 2023 Page >>

UGC 4025 - Spiral Galaxy with Type Ia Supernova 2023boc

UGC 4025 with SN 2023boc (Canis Minor)
SN 2023boc (Type: Ia) discovered 2023-02-12.234 UT by ZTF
Alias: ZTF23aacfiuv
Discovery Mag 18.00 (r-ZTF filter)
( Rochester Supernova site | TNS 2023boc )

UGC 4025 with SN 2023boc - 2023-04-21 (T+68.7d)
Image below (2023-04-21.902) was taken 68.7 days after discovery of 2023boc
Position of reported SN (faint) is shown by white cross-hairs

Annotated CCD Image (150% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-04-21 21:46 UT (#1117015-18)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023boc (UGC 4025) on Supernova 2023 Page >>

UGC 4269 - Spiral Galaxy with Type Ia-91T Supernova 2023dxb

UGC 4269 with SN 2023dxb (Cancer)
SN 2023dxb (Type: Ia-91T) discovered 2023-03-26.059 UT by ATLAS
Alias: ATLAS23eix
Alerting Magnitude 17.63 (orange-ATLAS Filter)
( TNS 2023dxb )

UGC 4269 with SN 2023dxb - 2023-04-21 (T+26.9d)
Image below (2023-04-21.917) was taken 26.9 days after discovery of 2023dxb
Position of reported supernova (faint but distinct) is shown by white cross-hairs

Annotated CCD Image (150% size, square root scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-04-21 22:05 UT (#1117021-23)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023dxb on (UGC 4269) Supernova 2023 Page >>

UGC 5276 - Spiral Galaxy with Type Ia Supernova 2023cxk

UGC 5276 with SN 2023cxk (Leo)
SN 2023cxk (Type:Ia) discovered 2023-03-11.401 UT by ATLAS
Alias: ATLAS23dky
Discovery Magnitude 17.89 (orange-ATLAS Filter)
( TNS 2023cxk )

UGC 5276 with SN 2023cxk - 2023-04-21 (T+41.6d)
Image below (2023-04-21.978) was taken 41.6 days after discovery of 2023cxk
Position of reported transient (fading) is shown by white cross-hairs
Measured magnitude +17.62

Annotated CCD Image (150% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-04-21 23:38 UT (#1117041-45)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023cxk (UGC 5276) on Supernova 2023 Page >>

UGC 6674 - Spiral Galaxy with Type Ib Supernova 2023bvi

UGC 6674 with SN 2023bvi (Leo)
SN 2023bvi (Type: unk) discovered 2023-02-18.294 UT by ATLAS
Alias: ATLAS23cgp
Discovery Magnitude 18.31 (cyan-ATLAS Filter)
( TNS 2023bvi )

UGC 6674 with SN 2023bvi - 2023-04-21 (T+62.7d)
Image below (2023-04-21.947) was taken 62.7 days after discovery of 2023bvi
Position of reported transient (very faint, barely distinguishable) is shown by white cross-hairs

Annotated CCD Image (150% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter
2023-04-21 22:51 UT (#1117027-30)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023bvi (UGC 6674) on Supernova 2023 Page >>

This Web Page:	Images - Session 1117 (2022-04-21)
Last Updated :	2024-06-15
Site Owner :	David Richards
Home Page :	David's Astronomy Web Site

David's Astronomy PagesImages - Session 1117 (2023-04-21)