2017VR12
2018/03/02T23:37:56〜24:00:05(+30s)までの30秒間露光20枚を合成
露光時間：30秒*20=10分00秒 ISO3200 長時間ノイズリダクションをオン
Mewlon210FR/2050mm + LPS-P2 + 60D / EM200Temma2
StellaImage6.5で合成、レベル補正とリサイズ
2000*1500を切り取り、640*480にリサイズ
|
2017VR12
2017 VR12 was discovered on November 10, 2017 by Pan-STARRS 1. This asteroid will approach Earth within 3.8 lunar distances (0.097 au) on March 7, 2018 and it should be a very strong radar target. Nothing is known about its physical properties except its absolute magnitude of 20.5, which suggests a diameter of about 250 meters.
Physical Parameter Table
|
2018年03月02日 13.5等
