Hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)
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New Discovery - Dr36 & DrSti1, 



    
        

            Mark Stiles
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New Discovery - Dr36 & DrSti1

Technical card

Imaging telescopes or lenses: Skywatcher MN190

Imaging cameras: ZWO Optical ASI183mm

Mounts: Orion Atlas Pro AZ/EQ-G Atlas Pro az/eq-g

Guiding telescopes or lenses: Skywatcher MN190

Guiding cameras: ZWO ASI120MM-S

Software: SGPRO, PHD2. PixInsight

Filters: Astronomik Deep-Sky B  ·  Astronomik Deep-Sky G  ·  Astronomik Deep-Sky R  ·  Astronomik Ha 6nm  ·  Astronomik OIII 6nm


Dates:Oct. 1, 2019

Frames:
Astronomik Ha 6nm: 101x600" (gain: 178.00) 0C
Astronomik Ha 6nm: 47x900" (gain: 178.00) 0C
Astronomik OIII 6nm: 107x600" (gain: 178.00) 0C
Astronomik OIII 6nm: 68x900" (gain: 178.00) 0C
Astronomik Deep-Sky B: 38x180" (gain: 111.00) 0C
Astronomik Deep-Sky G: 39x180" (gain: 111.00) 0C
Astronomik Deep-Sky R: 40x180" (gain: 111.00) 0C

Integration: 69.3 hours

Avg. Moon age: 3.11 days

Avg. Moon phase: 10.57%


Astrometry.net job: 3359888

RA center: 1h 7' 38"

DEC center: +53° 52' 26"

Pixel scale: 0.495 arcsec/pixel

Orientation: 91.477 degrees

Field radius: 0.447 degrees


Resolution: 5426x3567

Locations: Back Yard, Dadeville, Missouri, United States

Data source: Backyard

Description

DrSti 1, PN-G 125.1-09.1
Co find by Marcel Drechsler (Germany) and Mark Stiles (US)
Year of discovery: 2019
http://planetarynebulae.net/FR/page_np.php?id=683

Coordinates: 01:06:28.60 +53:40:52.30
Constellation Cassiopeia
Diameter: 5 arc minutes
Type: extremely faint, bubble-like planetary nebula with central white dwarf (CSPN), high amounts of HII, low amounts of OIII

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Dr 36, PN-G 125.3-08.9
Year of discovery: 2019
http://planetarynebulae.net/FR/page_np.php?id=681
Coordinates: 01:07:40.04 +53:52:24.02
Constellation Cassiopeia
Diameter: 2.7 x 2.1 arc minutes
Type: faint, bubble-like planetary nebula with surrounding ISM and central white dwarf (CSPN), high proportions of HII, low proportions of OIII

CSNP:
Distance (average) 3653 light-years
proper motion of the star: pmra: 2,466 / pmdec -8,912 mas/yr
The high proper motion of the star explains that the CSNP is not in the center of the object.

*

i want to thank Chris Sullivan for "introducing" me to Marcel, and also thank you Marcel for the opportunity to image one of your new discoveries

who knew there'd be another one so close by :)

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