Geminids 1996: Visual results of team Delphinus

---

DMS-members observing the Geminids 1996

1. Hourly counts of Jos Nijland
2. Magnitude distribution Geminids of Jos Nijland
3. Hourly counts of Koen Miskotte
4. Preliminary ZHR Geminids of Koen Miskotte
5. Magnitude distribution Geminids of Koen Miskotte
6. Hourly counts of Marco Langbroek
7. Preliminary ZHR Geminids of Marco Langbroek
8. Magnitude distribution of Marco Lanbroek

---

1. Hourly counts of Jos Nijland (NIJJO):

Interval [UT]	Teff	Lm	Gem	Tau	Spo	Ntot
21:10-22:10	0.93	6.4	74	2	14	90
22:10-23:00	0.83	6.5	95	0	11	106
23:00-00:00	0.82	6.5	63	1	11	75
00:00-01:00	0.87	6.5	106	1	5	112
01:00-01:30	0.50	6.3	35	0	6	41
04:31-05:30	1.00	6.5	59	1	16	76
05:30-05:45	0.25	6.6	9	0	10	19
21:10-05:45	5.20	6.5	441	5	73	519

Total number of observed meteors: 519

---

2. Magnitude distribution Geminids of Jos Nijland (NIJJO):

Shower	-8	-5	-4	-3	-2	-1	0	+1	+2	+3	+4	+5	+6	N
21:10-22:10	0	0	0	0	1	1	3	12	7	21	10	15	3	73
22:10-23:00	0	0	0	0	0	2	5	12	17	19	18	19	2	94
23:00-00:00	0	0	2	0	0	3	3	10	10	11	17	7	2	65
00:00-01:00	1	1	0	0	0	0	0	13	23	17	26	23	5	109
01:00-01:30	0	0	0	0	1	1	1	4	7	11	7	3	0	35
04:31-05:30	0	0	1	0	0	1	1	5	14	15	13	8	0	58
05:30-05:45	0	0	0	1	0	0	2	0	2	0	2	3	0	10
21:10-05:45	1	1	3	1	2	8	15	56	80	94	93	78	12	444

---

3. Hourly counts of Koen Miskotte (MISKO):

Interval [UT]	Teff	Lm	Gem	Spo	Mon	SHy	Xor
20:00-21:00	0.95	6.70	55	10	0	0	2
21:00-22:00	0.97	6.67	100	8	0	0	3
22:00-23:00	0.98	6.60	124	15	3	0	1
23:00-00:00	0.90	6.60	113	9	1	2	1
00:00-01:00	1.00	6.60	137	15	2	3	1
01:00-02:00	0.98	6.60	107	9	2	1	0
02:00-03:00	1.00	6.55	81	17	1	2	1
03:00-04:00	0.93	6.55	59	19	1	3	0
04:00-05:00	1.00	6.60	70	18	3	1	0
05:00-05:45	0.75	6.49	28	9	0	0	0

Total number of observed meteors: 1037

Total number of meteors brighter than +1: 150

---

4. Preliminary ZHR Geminids of Koen Miskotte (MISKO):

ZHR-values are based on: Gamma = 1.4 ; R = 2.6 ; Cp = 1.2

Geminids peak at around 23h00m UT +- 1 hour = solar longitude: 261.59 +/- 0.04 (1950.0)
Maximum ZHR is: 140 +/- 10 (based on data of Koen Miskotte and Marco Langbroek)

Interval [UT]	ZHR	+/-
20:00-21:00	93	13
21:00-22:00	125	12
22:00-23:00	136	12
23:00-00:00	116	11
00:00-01:00	117	10
01:00-02:00	90	9
02:00-03:00	68	6
03:00-04:00	58	8
04:00-05:00	74	9
05:00-06:00	52	10

---

5. Magnitude distribution Geminids of Koen Miskotte (MISKO):

Shower	-8	-5	-4	-3	-2	-1	0	+1	+2	+3	+4	+5	+6	N	(M)
20:00-21:00	0	0	0	0	0	1	4	3	6	13	14	13	1	55	3.27
21:00-22:00	0	0	0	1	1	2	2	7	10	32	30	13	2	100	3.13
22:00-23:00	0	0	0	0	0	1	7	3	20	30	42	20	1	124	3.27
23:00-00:00	0	0	0	1	0	1	11	3	20	32	32	10	3	113	2.93
00:00-01:00	1	0	0	0	1	2	4	12	29	40	33	14	1	137	2.82
01:00-02:00	0	0	0	0	2	1	1	6	24	29	26	16	2	107	3.11
02:00-03:00	0	0	0	0	1	4	2	4	20	22	19	9	0	81	2.20
03:00-04:00	0	0	0	0	2	2	2	5	19	17	6	6	0	59	1.64
04:00-05:00	0	0	1	1	2	2	3	7	15	15	18	6	0	70	2.44
05:00-05:45	0	1	0	0	0	5	3	1	5	8	4	1	0	28	1.64

---

6. Hourly counts of Marco Langbroek (LANMA):

Interval [UT]	Teff	Lm	Gem	Spo	Mon	SHy	Xor
20:00-21:00	0.88	6.7	48	20	1	0	2
21:00-21:57	0.95	6.6	100	22	4	0	1
22:04-22:57	0.85	6.5	103	27	6	0	1
23:00-23:56	0.88	6.4	121	25	7	0	0
00:00-00:59	0.95	6.6	141	24	4	0	0
00:59-02:02	0.93	6.6	112	30	7	0	0
02:02-03:04	0.95	6.6	106	30	2	0	1
03:04-04:03	0.90	6.6	71	32	3	0	0
04:03-05:01	0.83	6.7	84	25	3	0	0
05:01-05:40	0.55	6.6	35	10	2	0	0
05:40-06:00	0.32	6.3	13	8	1	0	0

Total number of observed meteors: 1257

---

7. Preliminary ZHR Geminids of Marco Langbroek (LANMA):

ZHR-values are based on: Gamma = 1.4 ; R = 2.6 ; Cp = 1.2

Geminids peak at around 23h30m UT +- 1 hour; ZHR-max between 130 and 160

Interval [UT]	ZHR	+/-
20:00-21:00	88	13
21:00-21:57	140	14
22:04-22:57	144	14
23:00-23:56	156	14
00:00-00:59	126	11
00:59-02:02	100	9
02:02-03:04	94	9
03:04-04:03	72	9
04:03-05:01	94	10
05:01-05:40	78	13
05:40-06:00	74	21

---

8. Magnitude distribution Geminids of Marco Langbroek (LANMA):

Shower	-8	-5	-4	-3	-2	-1	0	+1	+2	+3	+4	+5	+6	N
20:00-21:00	0	0	0	0	0	1	5	4	7	14	11	6	0	48
21:00-21:57	0	0	1	0	1	1	5	7	21	21	25	13	5	100
22:03-22:57	0	0	0	0	0	1	4	10	18	26	26	11	7	103
23:00-23:56	0	0	0	0	0	4	5	14	19	34	33	6	5	120
00:00-00:59	1	1	0	1	1	3	4	15	21	47	29	15	3	141
00:59-02:02	0	0	0	0	0	4	0	11	15	32	29	14	7	112
02:00-03:04	0	0	0	0	1	1	3	8	26	30	25	11	1	106
03:04-04:03	0	0	0	1	1	2	3	8	16	16	13	5	6	71
04:03-05:01	0	0	1	0	2	3	7	8	23	15	17	8	0	84
05:01-06:00	0	0	1	0	1	2	4	1	8	12	11	7	1	48
05:01-06:00	1	1	3	2	7	22	40	86	174	247	219	96	35	933

---

Back to DMS homepage

This page was last modified on April 6, 1997 by Casper ter Kuile and Marco Langbroek