The Chandra schedule

3-day Schedule

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This page shows 3 days of the Chandra schedule, either side of today, and the total science exposure time for these observations is 4 days and 22 hours. The size of the circles indicate the exposure time, and the color shows whether the observation has been done, is running now, or is in the future; the same colors are used in the table below. For repeated observations it can be hard to make out what is going on, since the circles overlap! The shaded regions trace the Milky Way galaxy. The points are plotted in the Equatorial coordinate system, using the Aitoff projection.

Target	Object type	Exposure time	Start	Instrument	Joint with	Turnaround	Constraints	Right Ascension	Declination	Constellation
Perseus cluster S	Unidentified	2 hours and 42 minutes	4 days ago	ACIS-I	n/a	None	Time Critical	03^h 19^m 48.2^s	+41° 25' 24.8"	Per
ClG J0242-2132	Cluster of Galaxies	8 hours and 31 minutes	3 days ago	ACIS-S	n/a	None	n/a	02^h 42^m 35.9^s	-21° 32' 26.2"	Cet
GL 783	Double or Multiple Star	3 hours and 10 minutes	3 days ago	ACIS-S	n/a	None	Time Critical, Monitoring	20^h 11^m 12.1^s	-36° 06' 06.3"	Sgr
NGC3137	Seyfert 2 Galaxy	3 hours and 26 minutes	3 days ago	ACIS-S	n/a	None	n/a	10^h 09^m 07.4^s	-29° 03' 51.1"	Ant
GL 783	Double or Multiple Star	5 hours and 38 minutes	3 days ago	ACIS-S	n/a	None	Time Critical, Monitoring	20^h 11^m 12.1^s	-36° 06' 06.3"	Sgr
Gaia DR3 5414242958825679488	White Dwarf Candidate	5 hours and 13 minutes	2 days ago	ACIS-S	n/a	None	n/a	10^h 13^m 42.5^s	-45° 16' 56.7"	Vel
GL 783	Double or Multiple Star	3 hours and 59 minutes	2 days ago	ACIS-S	n/a	None	Time Critical, Monitoring	20^h 11^m 12.1^s	-36° 06' 06.3"	Sgr
Perseus cluster S	Unidentified	3 hours and 40 minutes	2 days ago	ACIS-I	n/a	None	Time Critical	03^h 19^m 48.2^s	+41° 25' 24.8"	Per
CAL-ER (41272)		50 minutes	2 days ago	n/a	n/a	n/a	n/a	21^h 31^m 20.5^s	-12° 07' 51.6"	n/a
CAL-ER (41268)		50 minutes	1 day ago	n/a	n/a	n/a	n/a	20^h 06^m 42.2^s	-05° 02' 03.5"	n/a
CAL-ER (41267)		33 minutes and 20 seconds	1 day ago	n/a	n/a	n/a	n/a	14^h 48^m 00.0^s	+24° 36' 00.0"	n/a
CAL-ER (41266)		33 minutes and 20 seconds	1 day ago	n/a	n/a	n/a	n/a	13^h 49^m 08.2^s	-30° 13' 54.5"	n/a
PSO J308.0416-21.2339	Quasar	4 hours and 10 minutes	1 day ago	ACIS-S	n/a	None	n/a	20^h 32^m 10.0^s	-21° 14' 02.4"	Cap
CAL-ER (41265)			1 day ago	n/a	n/a	n/a	n/a	17^h 02^m 42.2^s	-03° 05' 11.8"	n/a
CAL-ER (41264)		15 minutes	1 day ago	n/a	n/a	n/a	n/a	14^h 36^m 48.0^s	+28° 04' 03.4"	n/a
SDSS J143345.14+264915.1	Emission-line galaxy	5 hours and 33 minutes	1 day ago	ACIS-S	n/a	None	n/a	14^h 33^m 45.1^s	+26° 49' 15.2"	Boo
CAL-ER (41263)			19 hours ago	n/a	n/a	n/a	n/a	17^h 02^m 42.2^s	-03° 05' 11.8"	n/a
PSO J308.0416-21.2339	Quasar	4 hours and 10 minutes	19 hours ago	ACIS-S	n/a	None	n/a	20^h 32^m 10.0^s	-21° 14' 02.4"	Cap
CAL-ER (41262)			14 hours ago	n/a	n/a	n/a	n/a	17^h 02^m 42.2^s	-03° 05' 11.8"	n/a
CAL-ER (41261)		15 minutes	14 hours ago	n/a	n/a	n/a	n/a	14^h 36^m 48.0^s	+28° 04' 03.4"	n/a
SDSS J143345.14+264915.1	Emission-line galaxy	5 hours and 33 minutes	13 hours ago	ACIS-S	n/a	None	n/a	14^h 33^m 45.1^s	+26° 49' 15.2"	Boo
CAL-ER (41260)			7 hours ago	n/a	n/a	n/a	n/a	16^h 17^m 31.2^s	-12° 13' 06.6"	n/a
GL 783	Double or Multiple Star	6 hours and 23 minutes	now	ACIS-S	n/a	None	Time Critical, Monitoring	20^h 11^m 12.1^s	-36° 06' 06.3"	Sgr
CAL-ER (41259)			in 3 minutes	n/a	n/a	n/a	n/a	17^h 02^m 42.2^s	-03° 05' 11.8"	n/a
CAL-ER (41258)		15 minutes	in 29 minutes	n/a	n/a	n/a	n/a	14^h 36^m 48.0^s	+28° 04' 03.4"	n/a
SDSS J143345.14+264915.1	Emission-line galaxy	4 hours and 26 minutes	in 54 minutes	ACIS-S	n/a	None	n/a	14^h 33^m 45.1^s	+26° 49' 15.2"	Boo
CAL-ER (41257)			in 6 hours	n/a	n/a	n/a	n/a	17^h 02^m 42.2^s	-03° 05' 11.8"	n/a
GL 783	Double or Multiple Star	6 hours and 40 minutes	in 6 hours	ACIS-S	n/a	None	Time Critical, Monitoring	20^h 11^m 12.1^s	-36° 06' 06.3"	Sgr
CAL-ER (41256)		15 minutes	in 13 hours	n/a	n/a	n/a	n/a	09^h 34^m 05.1^s	-33° 06' 54.4"	n/a
CLJ030310.0-211933	Unidentified	4 hours and 53 minutes	in 14 hours	ACIS-I	n/a	None	n/a	03^h 03^m 10.0^s	-21° 19' 33.0"	Eri
CAL-ER (41255)		50 minutes	in 20 hours	n/a	n/a	n/a	n/a	21^h 34^m 31.5^s	-17° 09' 58.3"	n/a
CAL-ER (41254)		50 minutes	in 23 hours	n/a	n/a	n/a	n/a	01^h 29^m 00.1^s	-17° 41' 40.2"	n/a
CAL-ER (41253)		50 minutes	in 1 day	n/a	n/a	n/a	n/a	05^h 29^m 43.8^s	-37° 47' 56.4"	n/a
CAL-ER (41252)		33 minutes and 20 seconds	in 1 day	n/a	n/a	n/a	n/a	05^h 09^m 36.0^s	+19° 41' 60.0"	n/a
CAL-ER (41251)		33 minutes and 20 seconds	in 1 day	n/a	n/a	n/a	n/a	22^h 17^m 48.2^s	-11° 53' 54.6"	n/a
Perseus cluster S	Unidentified	5 hours and 16 minutes	in 1 day	ACIS-I	n/a	None	Time Critical	03^h 19^m 48.2^s	+41° 25' 24.8"	Per
CAL-ER (41250)			in 2 days	n/a	n/a	n/a	n/a	01^h 34^m 24.0^s	-20° 41' 60.0"	n/a
GL 783	Double or Multiple Star	3 hours and 13 minutes	in 2 days	ACIS-S	n/a	None	Time Critical, Monitoring	20^h 11^m 12.1^s	-36° 06' 06.3"	Sgr
CAL-ER (41249)		15 minutes	in 2 days	n/a	n/a	n/a	n/a	11^h 22^m 56.8^s	-36° 33' 00.4"	n/a
Perseus cluster S	Unidentified	5 hours and 33 minutes	in 2 days	ACIS-I	n/a	None	Time Critical	03^h 19^m 48.2^s	+41° 25' 24.8"	Per
CAL-ER (41248)			in 2 days	n/a	n/a	n/a	n/a	01^h 34^m 24.0^s	-20° 41' 60.0"	n/a
GL 783	Double or Multiple Star	3 hours and 13 minutes	in 2 days	ACIS-S	n/a	None	Time Critical, Monitoring	20^h 11^m 12.1^s	-36° 06' 06.3"	Sgr
CAL-ER (41247)		15 minutes	in 2 days	n/a	n/a	n/a	n/a	11^h 22^m 56.8^s	-36° 33' 00.4"	n/a
Perseus cluster S	Unidentified	5 hours and 16 minutes	in 2 days	ACIS-I	n/a	None	Time Critical	03^h 19^m 48.2^s	+41° 25' 24.8"	Per
CAL-ER (41246)			in 3 days	n/a	n/a	n/a	n/a	01^h 34^m 24.0^s	-20° 41' 60.0"	n/a
GL 783	Double or Multiple Star	3 hours and 3 minutes	in 3 days	ACIS-S	n/a	None	Time Critical, Monitoring	20^h 11^m 12.1^s	-36° 06' 06.3"	Sgr
CAL-ER (41245)		15 minutes	in 3 days	n/a	n/a	n/a	n/a	11^h 23^m 29.7^s	-36° 31' 55.2"	n/a
Perseus cluster S	Unidentified	5 hours and 1 minute	in 3 days	ACIS-I	n/a	None	Time Critical	03^h 19^m 48.2^s	+41° 25' 24.8"	Per
CAL-ER (41244)			in 3 days	n/a	n/a	n/a	n/a	01^h 48^m 48.0^s	-20° 48' 00.0"	n/a
GL 783	Double or Multiple Star	3 hours and 33 minutes	in 3 days	ACIS-S	n/a	None	Time Critical, Monitoring	20^h 11^m 12.1^s	-36° 06' 06.3"	Sgr
CAL-ER (41243)		15 minutes	in 3 days	n/a	n/a	n/a	n/a	11^h 14^m 48.0^s	-34° 47' 60.0"	n/a
Perseus cluster S	Unidentified	5 hours and 50 minutes	in 3 days	ACIS-I	n/a	None	Time Critical	03^h 19^m 48.2^s	+41° 25' 24.8"	Per