» GRBs observed by SWIFT or/and other satellites in 2009

The “Pi of the Sky” apparatuses continuously monitor the SWIFT satellite Field of View.

In LCO 10 s exposures of a 21°x 21° field were taken by two cameras.

Twice a night the whole sky was scanned.

Targets of GCN alerts are also followed automatically.

In a table below there are alerts, which were caused by GRB with probability greater than 50%.

|2006|2007|2008|2010|
|2011|2012|2013|2014|2015|2016|

370 (all from LCO) GRBs observed by satellites since June 1^st 2006, 91 in 2009 therein
time period	daytime	apparatus off	North hemisphere	below horizon	clouds	outside FOV	inside FOV
in 2009	45	9	10	13	1	13	0
since Jun 1^st 2006	183	24	28	56	12	65	2

Gamma / X-ray satellite observations					*Optical "Pi of the Sky"* observations**
GRB	UT	RA Dec	Error	Alert	Before GRB	During GRB	After GRB	GCN
091231	17:44:17	15^h40^m19^s -08°44′	3′	Swift		daytime
091230B	6:27:42	8^h51^m51^s -53°53′	3′	Swift		apparatus off
091221B	20:52:52	3^h43^m01^s +23°13′	3′	Swift		daytime
091215B	15:39:06	16^h08^m10^s +51°24′	3′	Swift		daytime
091208B	9:49:57	1^h57^m39^s +16°53′	3′	Swift		daytime
091208A	8:46:00	0^h01^m06^s +65°40′	3′	Swift		daytime
091202B	3:10:17	9^h15^m09^s +62°32′	2.′95	INTEGRAL		North hemisphere
091130C	17:59:04	13^h32^m24^s +34°5′	3′	Swift		daytime
091127	23:25:45	2^h26^m17^s -18°57′	3′	Swift		daytime
091112A	17:41:21	17^h10^m55^s -36°43′	3′	Swift		daytime
091109C	21:49:03	7^h30^m56^s -54°05′	3,″6	Swift		daytime
091109A	4:57:43	20^h37^m04^s -44°11′	3′	Swift		outside FOV	> 434 s
091029	3:53:22	4^h00^m44^s -55°60′	3′	Swift		apparatus off
091026B	13:11:30	18^h26^m20^s -86°07′	3′	Swift		daytime
091024A	8:56:01	22^h36^m50^s +56°52′	3′	Swift		daytime
091020A	21:36:44	11^h42^m52^s +50°58′	3′	Swift		daytime
091018A	20:48:19	2^h08^m51^s -57°32′	3′	Swift		daytime
091010	2:43:09	19^h54^m41^s -22°32′	3′	AGILE		outside FOV	> 96 s, clouds
090930	18:31:57	17^h51^m08^s -30°58′	3.8″	Swift		daytime
090929B	10:09:07	7^h50^m52^s -0°39′	3′	Swift		daytime
090927	10:07:16	22^h55^m49^s -70°59′	3′	Swift		daytime
090926B	21:55:48	3^h05^m16^s -39°1′	3′	Swift		daytime
090916	7:00:44	8^h26^m19^s +25°56′	3′	Swift		below horizon
090817	0:51:27	4^h15^m58^s +44°8′	3.′05	INTEGRAL		apparatus off
090814B	1:21:33	4^h19^m00^s +60°35′	2.′88	INTEGRAL		North hemisphere
090814A	0:52:19	15^h58^m27^s +25°36′	3′	Swift		outside FOV	> 170 s, 1 frame < 12.2 mag 20 frames < 12.9 mag
090813	4:10:43	15^h08^m04^s +88°34′	3′	Swift		North hemisphere
090912B	15:50:29	12^h32^m22^s +61°31′	3′	Swift		daytime
090812A	6:02:08	23^h32^m47^s -10°36′	3′	Swift		apparatus off
090809	17:31:14	21^h54^m35^s -00°5′	3′	Swift		daytime
090807	15:00:27	18^h14^m58^s +10°16′	3′	Swift		daytime
090728	14:45:45	1^h58^m38^s +41°39′	3′	Swift		daytime
090727	22:42:18	21^h03^m53^s +64°55′	3′	Swift		North hemisphere
090726	22:42:27	16^h35^m16^s +72°52′	3′	Swift		North hemisphere
090715B	21:03:14	16^h45^m23^s +44°50′	3′	Swift		daytime
090715	17:25:39	10^h08^m29^s +09°60′	3′	Swift		daytime
090712	3:51:05	4^h40^m25^s +22°33′	3′	Swift		below horizon
090709B	15:07:42	6^h14^m22^s +64°05′	3′	Swift		North hemisphere
090709	7:38:34	19^h19^m44^s +60°44′	3′	Swift		North hemisphere
090708	3:38:15	10^h18^m31^s +26°38′	3′	Swift		below horizon
090704	5:47:43	13^h52^m49^s +22°47′	1.′7	INTEGRAL		below horizon
090702	10:40:50	11^h43^m33^s +11°30′	3′	INTEGRAL		below horizon
090628	21:20:12	0^h00^m00^s -21°48′	3′	Swift		daytime
090626	4:32:08	11^h20^m04^s -36°36′	3′	Swift		outside FOV	> 153 s
090625	13:26:22	01^h17^m36^s -64°35′	3′	Swift		daytime
090621B	22:07:25	20^h53^m44^s +69°1′	3′	Swift		North hemisphere
090621	4:22:43	0^h43^m57^s +61°58′	3′	Swift		North hemisphere
090618	8:28:29	19^h36^m05^s +78°21′	3′	Swift		North hemisphere
090607	5:30:17	12^h44^m50^s +44°8′	3′	Swift		below horizon
090531B	18:35:56	16^h39^m48^s -43°47′	3′	Swift		daytime
090531	1:45:17	11^h54^m45^s +07°48′	3′	Swift		apparatus off
090530	3:18:18	11^h57^m35^s +26°35′	3′	Swift		apparatus off
090529	14:12:35	14^h09^m54^s +24°26′	3′	Swift		daytime
090519	21:08:45	09^h28^m56^s +03°7′	3′	Swift		daytime
090518	1:54:44	07^h49^m41^s +09°38′	3′	Swift		outside FOV
090516	8:27:58	09^h17^m24^s -10°40′	3′	Swift		below horizon
090515	4:45:09	10^h56^m41^s +14°27′	3′	Swift		outside FOV	> 67 s
090510	0:23:01	22^h13^m36^s -26°46′	3′	Swift		below horizon
090509	5:10:05	15^h13^m53^s -28°19′	3′	Swift		clouds
090429B	5:30:03	14^h02^m49^s +32°10′	3′	Swift		apparatus off
090429	4:53:40	6^h02^m13^s -52°23′	3′	Swift		apparatus off
090427	23:26:27	15^h43^m43^s -13°30′	?	IPN		below horizon
090426	12:48:47	12^h36^m22^s +32°58′	3′	Swift		daytime
090424	14:12:09	12^h38^m09^s +16°50′	3′	Swift		daytime
090423	7:55:19	09^h55^m35^s +18°10′	3′	Swift		below horizon
090422	3:35:16	19^h39^m01^s +40°23′	3′	Swift		below horizon
090410	16:57:52	22^h19^m55^s +15°28′	3′	Swift		daytime
090407	10:28:25	4^h35^m50^s -12°40′	3′	Swift		daytime
090404	15:56:30	15^h56^m52^s +35°30′	3′	Swift		daytime
090401B	8:35:24	06^h20^m24^s -08°58′	3′	Swift		daytime
090401	0:59.37	23^h23^m38^s +29°46′	3′	Swift		apparatus off
090328	9:36:46	6^h02^m40^s -41°53′	0,″6	Fermi		daytime
090324	2:48:10	17^h08^m43^s -48°9′	3′	AGILE		outside FOV
090323	0:02:43	12^h42^m56^s +20°49′	5.°2	Fermi		outside FOV	> 156 s, 1 frame: <12.4 mag
090313	9:06:27	13^h13^m35^s +08°06′	3′	Swift		outside FOV
090309	23:29:13	18^h59^m55^s -25°16′	3′	Swift		daytime
090308	18:01:23	12^h14^m06^s -48°50′	3′	Swift		daytime
090307	3:46:37	16^h19^m55^s -28°39′	3′	Swift		outside FOV
090306	23:08:17	15^h24^m48^s -06°58′	3′	Swift		daytime
090305	5:19:51	16^h07^m02^s -31°34′	3′	Swift		outside FOV
090301	6:55:55	22^h32^m34^s +26°39′	3′	Swift		below horizon
090205	23:03:14	14^h43^m42^s -27°52′	3′	Swift		daytime
090201	17:47:02	06^h08^m07^s -46°35′	3′	Swift		daytime
090129	21:07:15	17^h38^m28^s -37°23′	3′	Swift		daytime
090123	7:51:56	00^h27^m06^s -23°31′	3′	Swift		outside FOV
090118	13:54:02	3^h19^m28^s +18°29′	3.′69	Swift		daytime
090117	15:22:01	11^h35^m32^s -62°44′	3′	Swift		daytime
090113	18:40:40	02^h04^m40^s +35°7′	3′	Swift		daytime
090107B	16:20:40	18^h59^m15^s +59°36′	3′	Swift		daytime
090107	4:48:04	20^h09^m42^s +4°44′	3′	Swift		below horizon
090102	2:55:30	8^h32^m58^s +33°7′	3′	Swift		outside FOV	>600 s; 1 frame: 10.5 mag 20 frames: 11.5 mag