Comet C/2015 ER61 (PANSTARRS) imaged on 29th, April 2017, nearly a month after an outburst. After its approach to Earth its brightness had dropped until 7.5 magnitudes in this image taken ten days before perihelion. In spite of this the comet keeps showing a turquoise cocoon from wich departs a intense ionic tail that leaves the field toward southwest.
Daten zum Bild
|Ort||Siding Spring, Australia|
|Zeitpunkt||29.04.2017 18:50 UT|
|Teleskop/Objektiv||Planewave 20" CDK 2259 mm f/4.4|
|Belichtungszeit||L: 3 × 120 s Bin1 + RGB: 1 x 60 s Bin2|