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Transits of Objects through the LASCO C3 and C2 fields of view (FOV) in 2019


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 322P/SOHO, the comet should appear in C2 moving from left to right and probably be detectable in C3. After that, it will reenter C2 moving from right to left but its brightness will likely be lower than limiting magnitude of C2.
Also of note:there will be a Mercury transit (of the Sun) on November 11, 2019.

LASCO C3

(Dec24)-Jan11
Saturn
mag +0.5
left to right
Jan18-Feb09
Mercury
mag -1
right to left
Feb21-Mar21
4 Vesta
mag +7.9
left to right
Feb26-Mar15
Neptune
mag +8.0
left to right
Mar10-Mar19
Mercury
mag +5
left to right
Apr14-May01
Uranus
mag +5.9
left to right
May15-May27
Mercury
mag -2
right to left
Jul16-Sep12
Venus
mag -4
right to left
Jul17-Jul25
Mercury
mag +5
left to right
Aug09-Sep25
Mars
mag +2
left to right
Aug27-Sep13
Mercury
mag -2
right to left
Aug31-Sep01
322P/SOHO
mag +6
left to right
Nov08-Nov15
Mercury
mag +5
left to right
Dec17-(Jan06)
Jupiter
mag -1.8
left to right
Dec28-(Jan22)
Mercury
mag -1
right to left

LASCO C2

(Dec31)-Jan04
Saturn
mag +0.5
left to right
Mar05-Mar08
Neptune
mag +8.0
left to right
Apr21-Apr24
Uranus
mag +5.9
left to right
May20-May22
Mercury
mag -2
right to left
Aug08-Aug20
Venus
mag -4
right to left
Aug28-Sep07
Mars
mag +2
left to right
Aug30-Aug31
322P/SOHO
mag +6
left to right
Sep04-Sep05
Mercury
mag -2
right to left (along top border)
Nov10-Nov12
Mercury
N/A (transit)
left to right
Dec25-Dec29
Jupiter
mag -1.8
left to right