Hemisphere:  Northern  ·  Constellation: Bo\u00f6tes (Boo)  ·  Contains:  PK085+52.1
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Jacoby 1, 


            Mark Stiles
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Jacoby 1

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:April 15, 2019April 17, 2019April 19, 2019April 29, 2020April 30, 2020May 17, 2020May 29, 2020

Astronomik Ha 6nm: 77x900" (gain: 178.00)
Astronomik OIII 6nm: 146x900" (gain: 178.00)
Astrodon E-Series 2 3nm OIII: 120x600" (gain: 178.00)
Astrodon E-Series 2 5nm HA: 147x600" (gain: 178.00)
Astrodon E-series 2 B: 40x180" (gain: 111.00)
Astrodon E-series 2 G: 36x180" (gain: 111.00)
Astrodon E-series 2 R: 40x180" (gain: 111.00)

Integration: 106.0 hours

Avg. Moon age: 11.75 days

Avg. Moon phase: 60.33%

Astrometry.net job: 3573424

RA center: 15h 21' 45"

DEC center: +52° 22' 12"

Pixel scale: 0.496 arcsec/pixel

Orientation: -92.417 degrees

Field radius: 0.399 degrees

Resolution: 4832x3208

Locations: Back Yard, Dadeville, Missouri, United States

Data source: Backyard


go deep on Jacoby 1 they said.. it's probably not REALLY the faintest pn out there they said..


or, as Chris Sullivan says "As soon as the Bastard knows a scope is aiming at him, he casts an invisibility spell."

( Chris is such a rebel :) )


Sky plot

Sky plot


Jacoby 1, 


            Mark Stiles