Observation by Mike Foylan: Comet C/2019 Y4 ATLAS

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Mike Foylan


Mike Foylan


2020 Mar 22 - 23:22


2020 Mar 24 - 23:55


C/2019 Y4 (ATLAS)

  • Telescope: Celestron 0.2-m SCT @f/7.1
  • CCD Camera: SBIG STL-1301
  • Filter/s: None
  • Optec Robotic Focuser
  • Mount: Celestron CG5-GT EQ Mount Modified

35 Seconds x 120


Cherryvalley Observatory (I83), Co. Meath, Ireland

Target name

Comet C/2019 Y4 ATLAS


Comet C/2019 Y4 ATLAS

About this image

Distance at Time of Observation: 1.079 au (161 million km)

M1 V-Magnitude: +8.3

Apparent Sky Motion: 1.81 arcsec/minute

Observing Location: Cherryvalley Observatory (I83), Co. Meath

Acquisition Date: 22nd/23rd March 2020

Observation Time Span: 23:22:51 to 00:51:48 UT

Constellation: Ursa Major

Telescope: Celestron 0.2-m SCT

Camera: SBIG STL-1301

Mount: Modified Celestron EQ CG5-GT Mount

Each Light Frame Exposure: 35s

Light Frames: x120

Cal Frames: Dark & Flat Frames

FOV: 46 x 37 arcminutes

Image Scale: 2.18 arcsec/pixel

Binning: 1x1

Filter/s: None

Software Acquisition & Control: CCDSoft v5, TheSky6 Professional, EQMOD, PhD Guiding

Image processing: Mira Pro7, Astrometrica, CDDSoft v5

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