Report a SOHO Object
Report a STEREO Object
Official Comet Hunting Guide
LASCO C3 Transits
STEREO L4/L5 Campaign
STEREO JAVA Orbit Tool
C2/C3 Comet Tracks
SungrazerComets on Twitter
Comet McNaught in 2007
15-years of SOHO Comets
Transits of Objects through the LASCO C3 and C2 fields of view (FOV) in 2018
The following list was compiled by Worachate Boonplod.
All dates and magnitudes are approximate.Note that the limiting magnitude for LASCO C3 is approximately 8.0 to 8.5 (depending on object/star), and for C2 is approximately 8.5 - 9.0.
IMAGE CREDIT: Worachate Boonplod
Regarding C/2017 S3 (PANSTARRS), magnitudes (brightness) of this comet are highly uncertain, ranging from around 0 to +7. We are not providing a value here until a more confident estimate is available, and also note the possibility exists that this comet will not survive perihelion.